Jung-soo (Choi Ji-woo) and Seung-joon (Kwon Sang-woo) were childhood friends who depended on each other. When Seung-joon's father and Jung-soo's mother passed away, Jung-soo's father built a villa by the sea in memory of his dead wife. You Li (played by Kim Tae Hee) to live with her, the vain You Li is happy to go, but Tai Hua is reluctant. You Li is kind on the surface, but very scheming because of jealousy of Jing Shu and take over everything, and after seeing the handsome and rich Cheng Jun, she wants to take over even more, and the surface of the gentle Shao Meiluo also revealed her true colors, abusing and beating Jing Shu, Jing Shu for the sake of her father's happiness to swallow the life, and only thought that after graduation, and Cheng Jun and study abroad together can be relieved. The story of the first two days of the movie is a little bit different.
Episode 2
Meiro, after realizing that Youli likes Chengjun, stops Jingshu from going abroad with Chengjun in order to make Chengjun like her. When Chengjun goes abroad, he locks Jingshu up in the attic, and Tae Hwa comes back to release Jingshu at this moment. After Makoto leaves, Miroku begins to teach Youri various specialties while controlling Makoto's letters and phone calls to Shizushu. Tomori throws Seijun's letter to Jung-soo into the garden and remembers the address to write to Seijun herself. Jung is very sad and when she looks at the calendar, she realizes that it will be Tae-hwa's birthday in a few days.
Episode 3
Taewa can't stand the way his mother treats his father, and gets into an argument sometimes. He breaks an antique vase that was Shizuku's father's favorite, but Miroku says that it was Shizuku's doing, and then Taewa admits that it was him, for which Miroku is furious, and shuts him up in the attic and turns off the heat. When Jung-soo returns home, he makes seaweed soup for Tae-hwa and gives him a scarf he knitted for Tae-hwa. Tae-hwa is touched, and from then on Tae-hwa begins to pursue Jung-soo and confesses his love for her, saying that if Jung-soo doesn't deliver the painting supplies for the painting competition the next day, she won't take part in the competition, and that if she does it will show that she agrees to be Tae-hwa's girlfriend. When Tae-hwa wins a prize for his painting, Jung-soo encourages him to use it as a way to ease his relationship with Mi-ro, but Mi-ro not only doesn't appreciate it, but also speaks coldly, which makes Tae completely heartbroken.
Episode 4
After growing up, Cheng Jun comes back to pick up Jing Shu and leave the country together. Yuri is furious that Tae Hwa can't keep Jing Shu and breaks a photo of Jing Shu and Makoto. At this time, Jing Shu receives a call from Makoto that he is coming back and wants to meet with her, Jing Shu takes the photo and runs towards the amusement park, Tae Hwa stops Yuri from chasing after her, Yuri gets rid of Tae Hwa and drives her car without a license to run over Jing Shu when she meets with Makoto, Yuri lifts Jing Shu into the car and takes her to the hospital, where she finds out that the hospital is accepting the injured from a fire, and puts her ID card in a piece of paper and puts her in a car. She puts her ID card on a burnt corpse and then sends it to her biological father's house to beg him to take it. Her biological father is forced to take it for the sake of Yuuri's future, and Tae Hwa sees Yuuri in a whetstone and forces her to tell him that Jung-soo is at her father's house. When Miroku sees Yuri washing bloodstained clothes, Yuri lies that she was drunk and knocked down Jung-soo. The whole family and Seijun think that Shizushu is dead and are unusually sad. The next day Jung-shu wakes up but loses her memory. Tae-hwa decides to take Jung-shu away with her biological father and start a clothing business. Jung-soo changed her name to Kim Ji-soo and Tae-hwa to Han Cheol-soo.
Episode 5
Youri and Seung-joon return after five years. Seung-joon arrives at a beach house but passes by Jung-soo, who was brought by Tae-hwa to play at the beach. When Jung-soo and Tae-hwa live a quiet life, Seung-joon decides to paint a picture of heaven in front of the carousel to give it to Jung-soo and starts to collect paintings. Jung-soo decides to send Tae-hwa's paintings to the company to apply for the job after seeing the call for paintings, but Seung-joon sees it by accident. He chases after Tae-hwa, but he still misses him. When Tae-hwa's painting wins, Jung is very happy and decides to give Tae-hwa a surprise, so she asks him to meet her in front of the wooden horse at the amusement park.
Episode 6
Tae-hwa is not happy when Jung-soo tells him that he has been chosen to paint a mural, but he agrees to do so when Jung-soo tells him that she has decided to get engaged to him when he finishes the mural. At this moment, Seung-joon, who is at the amusement park trying to see Jung-soo again, accidentally sees Jung-soo and chases after her. When Tae-hwa realizes that someone recognizes Jung-soo, he takes Jung-soo away and angrily throws her down, Jung-soo is hugged by Seung-joon who catches up to him but Jung-soo who has lost her memory refuses to admit it and leaves. Seung-joon doesn't give up but continues to chase after her until Jung-soo uses a trick to get rid of him but Seung-joon still sees Jung-soo's clothing brand and location. Jung-shu finds Tae-hwa on the rooftop and tells Tae-hwa about the afternoon's experience. Tae-hwa is annoyed, but Jung-shu can't forget what happened in the afternoon anymore. Yuri is rescued by Seung-joon after she threatens him with death in order to blackmail him into marriage. The next day, Seung-joon goes to Jung-shu's bookstore and picks up the goods with Jung-shu only to be dumped by Jung-shu once again.
Episode 7
Makoto realizes that Kim Ji-soo is Jung-soo and goes to see Tae-hwa to say that he won't give up. Seung Joon has been observing Tae Hwa and Jung Soo and is saddened to see Jung Soo and Tae Hwa's intimate behavior. Seung-joon uses Yo-ri to transfer Jung-soo's branded clothes into his company. Jung-soo reports to the company and is supervised by Yo-ri, who is shocked to see Jung-soo and confronts Jung-soo's director Jang, who is the one who is going to take Jung-soo to see Seung-joon. When Jung-shu sees Cheng-jun as the general manager, she is surprised and angry, and asks to cancel the contract. However, Seung-joon asks Jung-soo to give him the design plan by three o'clock.
Eighth Episode
Makoto asks Jung-shu to work on the plan in his office while he looks at Jung-shu and weeps. After going to see Makoto and being stopped by Councilor Jang, Youri goes to Tae Hwa and tells him that Jung Su is now with Makoto Joon, Makoto Joon takes Jung Su away and Tae Hwa pounces, Makoto Joon takes Jung Su to a beach house and puts himself in his memories but Jung Su can't remember anything. When Jung-shu breaks free from Seung-joon's arms and runs out of the villa, she runs into Jung-shu's father, who sees Jung-shu and holds her hand as she cries, and Jung-shu is touched. When Tae Hwa sees Seung Joon sending Jung Su back, he is in great pain. Jung Su is willing to give herself to Tae Hwa in order to prevent him from being in pain, but she tells Tae Hwa that whenever she thinks of Seung Joon, she will feel inexplicable heartache. Jung-shu doesn't go to work to avoid Seung-joon.
Episode 9
Director Jang takes Jung-soo to see Seung-joon. Jung-soo stays and pulls the battery out of her cell phone when she learns it's Seung-joon's birthday. Seung-joon takes Jung-soo back to her old home and tells her to die if she still doesn't remember her. Jung-soo agrees. Tae-hwa calls Jung-soo and Seung-joon tells Tae-hwa to take Jung-soo back to the place where she belongs, and Tae-hwa rushes there. Yoori and her family who are preparing for Seung Joon's birthday are very surprised to see Jung shu, at Seung Joon's request Yoori shows her old photo albums and things about Jung shu but Jung shu still can't remember, Seung Joon gives her a kiss as a final gift. Jung-shu and Tae-hwa leave. Tae-hwa proposes to Jung-shu and Jung-shu agrees, promising to get engaged to him after the mural is finished and to throw away her old necklace. The next day, Jung-soo's design is rejected by Seong-joon and he asks for a new design. Seong-joon knows that Jung-soo and Tae-hwa are having dinner at a western restaurant so he intentionally goes there with You-ri, while Jung-soo and Tae-hwa excuse themselves and leave first.
Episode 10
Jung-soo is working on her design in the office in the evening. Seung-joon goes to see her and gives her some advice on her new design, which is successfully approved the next day. Tae-hwa wants to tell Jung-shu the truth and let Jung-shu decide whether to get engaged or not. Tae-hwa's father takes Tae-hwa's paintings and sells them for money. Seung-joon holds a dinner party in order to stop Jung-shu from dating Tae-hwa and during the dinner party, Yu-ri leaves due to something.
Episode 11
Jung-shu rushes to Tae-hwa's date but is almost bumped into by You-ri who rushes back but remembers everything. Jung-shu is in great pain and retrieves the necklace that she threw away. Tae Hwa asks Jing Shu and Makoto to meet in front of the carousel at twelve o'clock. Yuri and Miroku run into Jing Shu, who is known to have recovered her memory, and argue, but Makoto's mother misunderstands them. Seung Joon and Jung Su meet in front of the carousel at twelve o'clock and Seung Joon confesses his love for Jung Su and that he loves her regardless of whether she is Kim Ji Soo or Jung Su. He loves her.
Episode 12
Seong-joon confesses his love for Jung-soo and says that he still can't be with her. Jung-soo goes back to her place, but Tae-hwa doesn't open the door for her and tells her to go back to Seong-joon. Then he leaves by himself. Jung-soo's scandal with Seung-joon is ostracized by her colleagues, and Seung-joon steps in to clear the air. Makoto's mother decides to fire Jung-shu and Jung-shu accepts. When Tae-hwa decides to leave, Tae-hwa's father is being forced to pay off his debt because he owes money and wants Tae-hwa to paint a fake picture to pay off the debt, but Tae-hwa refuses and is severely beaten. Jung-shu stays in a hotel but receives a call from Tae-hwa's father and rushes back home. Jung-shu accidentally finds a letter written by Tae-hwa to Jung-shu on his way out.
Episode 13
Seong-joon finds Jung-soo and spends the night, and the next day Jung-soo decides to leave with Tae-hwa. On the way out Tae Hwa calls Seung Joon while Jung Soo is asleep and tells Kim Ji Soo that she is Jung Soo, Seung Joon learns the truth and goes there and Tae Hwa leaves on his own. After Jung-soo and Seung-joon meet, Seung-joon takes Jung-soo home. Tae Hwa tells You Ri to tell the truth if she robs Seung Joon again. Jung-soo recognizes her relatives. Yo-ri pretends to leave to trick Makoto's mother into sympathizing with her, and Makoto Joon has no choice but to agree to get engaged to Yo-ri. Jung-soo returns to work at the company, and Yo-ri asks Makoto Joon to go shopping for the engagement with her. Makoto Joon asks Jung-soo to go with him, and buys Jung-soo a tuxedo, which he is asked to wear for the engagement party.
Episode 14
Makoto Jun buys w ring for Jung-shu and tells Jung-shu that he is going to get engaged to Jung-shu at the engagement banquet. Tomori announces her engagement to a reporter, Tae Hwa sees the news of Tomori and Seung Joon's engagement and threatens Tomori to tell the truth if she gets engaged, Miroku flatters Tae Joon into painting a fake picture in order to make Tomori and Seung Joon's engagement go smoothly. On the day of the engagement, Tae Hwa is taken away from the engagement party by the police. Jung Soo doesn't accept Seong Joon's ring in order to save Tae Hwa, and Seong Joon finalizes his engagement with Tomo Ri. Seung-joon asks Councilor Jang to save Tae-hwa. Seung-joon takes Jung-shu away and puts the ring on Jung-shu's hand by saying that they will be friends from now on so that they can receive any gifts and can date. Jung-soo is sent by her coworkers to buy an engagement gift and buys two pairs of gloves for Seung-joon and Yu-ri. Seijun and Jung-shu call themselves friends but both of them suffer a lot inside.
Episode 15
Tai Hwa refuses to see Jung Su again. Miroku asks someone to force Tai Hwa to draw a fake picture, which is seen by Seung Joon, who decides to send Jung Su back to Tai Hwa under the pretext of a business trip. Seung Joon takes Yuri to the classmate reunion, and while appearing to be happy, he is still thinking of Jung Su inside, and after the reunion he drives to Tai Hwa's place to look at her in the corner. That night, Jung-soo was sick, but she still called out Seung-joon's name.
Episode 16
Taek-hwa called Seung-joon and asked him to pick up Jung-shu and leave. The next day, Jung-shu leaves without waking up a sleeping Seung-joon to look for Tae-hwa. Seung-joon realizes this and chases after him, reuniting with Jung-shu at the station and taking Jung-shu home. Seung-joon announces his intention to marry Jung-soo. Mi-ra tells Seung-mu, who is furious and tells Seung-joon that if he doesn't marry Yu-ri, he will have to quit his job, and Seung-joon agrees to leave the company.
Episode 17
Taewa refuses to treat his hand injury after leaving Jung-soo and is depressed. Miroku advises Yuri to put her feelings aside and marry Makoto first for the sake of Makoto's property and finds Makoto's mother ready to prepare for the wedding. Miroku asks Makoto's father for the fake painting drawn by Tae Hwa and promises to help him pay off all his debts if he produces the painting. Tae Hwa is shocked to learn that Miroku is responsible for his hand injury and arrest and finds Yuri to question her. Tae Hwa decides to move back home to protect Jung Su. Jung-soo suddenly has trouble seeing and goes to the hospital for a checkup.
Episode 18
Seong-joon and Jung-soo live happily together, but are in dire straits as they can't find a job due to the pressure from Seong-joon's mother. Director Jang finds out about Seong-joon's situation and arranges a dinner for them, and Seong-joon is very touched. The Makoto family's company is in trouble, and with Jung-soo's persuasion, Makoto returns to the company but tells Yu-ri that he won't marry her. When Makoto's mother learns of this, she decides to announce Makoto's marriage to Youri to the public. Jung-soo faints on the way to her date with Seung-joon and is found to have damaged her cornea in a car accident, which will lead to blindness and eye cancer. Jung-soo's eyes are getting blurry and she is in grief. Tae-hwa returns home to tell the truth and asks Yu-ri to return Jung-soo's old things to her. Tae-hwa realizes that Jung-soo has eye cancer when she goes to the hospital to inquire about the problem with Jung-soo's eyes.
Episode 19
Jung-shu's eyes are getting worse and worse, so she decides to leave Seung-joon and approaches Yu-ri to give him happiness, Yu-ri is puzzled. She quits her job and goes to a beach house with Seung-joon. The next day, she hides herself when Seung-joon doesn't wake up and decides not to see him again. Seung-joon searches for Jung-soo everywhere but to no avail. When he returns to Jung-soo's house, he realizes that Tae-hwa's luggage has also disappeared. Tae-hwa then finds Jung-soo and decides to take care of her.
Episode 20
Meiro lied about Jung-su and Tae-hwa's elopement in order to make her daughter's marriage to Seung-joon go smoothly, but Seung-joon's mother decided to hold the wedding as usual in order to avoid any unnecessary troubles. Tae-hwa decides to paint fake paintings in order to cure Jung-shu. Tae Hwa is caught by the police again while handing over the painting. Tae Hwa finds Seung Joon and tells him that Jung Su has eye cancer and is now at the beach house. Seung-joon arrives at the villa to find Jung-shu completely blind and pretends to be Tae-hwa to take care of Jung-shu.
Episode 21
Jung-shu doesn't want to see Seung-joon when she realizes it's him and kicks him out. Makoto's mother calls Makoto Joon in to demand that he marry Youri, and Makoto Joon tries to tell her about the fact that Jung-shu has eye cancer, but is prevented from doing so. Miroku is furious when he learns that Tae Hwa has been released again and knows that the police are investigating the instigator who instigated him to paint the fake picture. The doctor tells Seung-joon that the only way to restore Jung-soo's sight is to transplant a cornea, but the tumor will get bigger and eventually she will only go blind and lose her life, so the tumor must be removed to have any hope. Jung-soo begins to receive treatment. Seung-joon proposes to Jung-shu, but Jung-shu refuses because of her illness, but Seung-joon insists. The police begin to suspect that Miroku is the mastermind behind the fake paintings. Miroku asks his thugs to catch Tae's father, but he escapes. Yuri wants to discuss the marriage with Seung-joon, but Seung-joon doesn't agree to get married, so Yuri follows Seung-joon to the hospital, and is delighted to learn that Jung-soo has eye cancer. Makoto sends out wedding invitations to his friends and family. Tomori and Miroku are very happy to think that they are getting married to themselves. Jung-soo's tumor is removed but she refuses to marry Seung-joon because she knows that she will not be able to live if it recurs again.
Episode 22
Tae Hwa lied that he wanted Jing Shu to wear a wedding gown and go painting with him in order to get her to marry Seung Joon, so he brought her to the wedding banquet. At the beginning of the wedding banquet, Seung Joon announced that he was going to marry Jing Shu and said that she had eye cancer, which annoyed Tomori and Miroku. Jung-soo and Seung-joon finally get the blessing of Seung-mu and everyone else. After the wedding, You-ri is taken away by the police, and Mi-ra is sent to a mental hospital after being found out to be the mastermind of the fake paintings, and is very irritated and goes crazy. Seung-joon goes to work and leaves Tae-hwa to take care of Jung-soo. When they talk, they realize that Jung-soo's greatest wish is to see Seung-joon again. The doctor suspects that the tumor has metastasized before the operation and tells Seung-joon that there is no treatment if it has metastasized.
Episode 23
Tae Hwa and Seung Joon both want to donate their corneas to Jung Su, but the doctor tells them that living people cannot donate. So Tae Hwa wants to end his life to donate his corneas to Jung Su and writes a donation card, writes a letter ahead of time, takes a picture, and then tells Jung Su that he's going to go abroad and say goodbye to Jung. He then commits suicide by driving himself wearing the scarf that Jung-shu gave him and shielding his eyes with his hands. Seung-joon and Jung-soo receive a call from the hospital and learn that there is a cornea available for transplant. While Jung-soo is undergoing the surgery, Seung-joon learns that the cornea donated to Jung-soo is the cornea that Tae-hwa exchanged with his own life and is very saddened, but Tae-hwa asks Seung-joon not to tell Jung-soo the truth in his suicide note. Jung-soo regains her eyesight after the surgery and receives letters from Tae-hwa from his own life and misses Tae-hwa very much.
Episode 24
Seong-joon and Jung-soo set up a charity organization and named it Tae-hwa Charity Organization. At the party of the charity organization, Jung-soo vomits and goes to the hospital for check-ups, and is diagnosed that the cancer cells have metastasized before the surgery. Seong-joon tells Jung-soo that the tumor has already metastasized, and tells her that the corneas are donated by Tae-hwa, and Jung-soo is overwhelmed with grief. The story of the two men, who had been in the hospital for a long time, is a very interesting one, but it is not a good idea to go to the hospital.