Despite the strong dissuasion of her father Guan Minghai, Guan Shan, a wealthy girl, insists on interning at Sunshine Hospital. She has a close relationship with Han Zihang, a cardiac surgeon who has just returned from further studies in the United States. At the same time, Gong Fan, who was nicknamed a "robot" for his outstanding academic performance in school, and Ren Qiu, a doctor from a county-level hospital who came to Daipei for training, also joined Guan Shan under the leadership of Sima Boming, the signature doctor of the cardiac surgery department. , began study life. A pregnant female prisoner, Hao Lin, was admitted to the hospital. Han Zihang, together with the obstetrician and gynecologist, saved Hao Lin's life in time and helped her give birth smoothly. Guan Shan was assigned to take care of Hao Lin, but Hao Lin suddenly disappeared. Guan Shan learned that Hao Lin was not the murderer of her husband, and designed to lure Hao Lin to show up. However, Hao Lin kidnapped the newborn baby in desperation. Han Zihang and Guan Shan cooperated to persuade Hao Lin to surrender and resolved the crisis. As a result, Han Zihang looked at Guan Shan with admiration, and the distance between them suddenly narrowed. A special patient who was almost in a vegetative state was admitted to the hospital under the personal care of Dean Ye Minghui. This person's name was Fu Hongbo. He was an old classmate of Dean Ye Minghui who joined the team in the early years and was also the founder of the Sunshine Fund in Sunshine Hospital. Ye Minghui announced that Han Zihang was responsible for the patient's treatment, and Han Zihang hoped to join forces with Sima Boming to treat the patient. Gong Fan was assigned to take charge of Chen Jiazi, an old patient with a naughty temperament. The attentive Gong Fan learned that Chen Jiazi was extremely strong on the surface but had extremely low self-esteem on the inside because her parents had hidden her divorce. Gong Fan persuaded Chen Jiazi's parents to cooperate with the doctors and first cure Chen Jiazi's heart disease. Sima Boming expressed his support. He told the intern doctors that a doctor who can cure a patient's heart disease must be a good doctor. The appointment time for Chen Jiazi's surgery was coming soon. Gong Fan faced Chen Jiazi and revealed her heartache. At the same time, Chen Jiazi's parents also confided their feelings in front of their children and assured Jiazi that when Jiazi's operation was completed, they would definitely rebuild a happy family for their daughter that she was fascinated by. Chen Jiazi's operation was successful, and Sima Mingbo became famous. He was deeply grateful to Gong Fan from the bottom of his heart. At this time, Gong Fan collapsed next to the operating table due to a genetic disease within the family. Han Zihang learned from his grandma that his mother was killed by a man named Fu Zhanyuan, and told him to find Fu Zhanyuan during his grandma's lifetime and ask him to go to the tomb of Han Zihang's mother to atone for her sins. The relationship between Guan Shan and her father Guan Minghai is on the verge of breakdown. Her mother's premature death also gave her a dual personality. In order not to return to that deserted home, Guan Shan rented a house outside. Guan Minghai secretly operated to make Guan Shan rent the house smoothly. Guan Shan met pregnant woman Wei Xiaofeng on the road. The two were very attracted to each other, but they did not expect that Wei Xiaofeng was her stepmother. Han Zihang and Guan Shan became more and more in love with each other, and they went to visit their grandmother. Guan Shan learned that Fu Zhanyuan, who killed Han Zihang's mother, was Han Zihang's father. Guan Shan told Han Zihang what happened, and Han Zihang was immediately shocked and enlightened. A vicious traffic accident sent three people to Sunshine Hospital. Both of them were dying, but Yu Dali, the owner of the decoration company, seemed to be safe and sound. When he heard that Guan Shan was the daughter of real estate tycoon Guan Minghai, he began to stalk her. Although Guan Shan was extremely disgusted by this, she still helped contact Guan Minghai. Xiao Zhao was on the verge of death due to ineffective rescue efforts. On his deathbed, he expressed to Han Zihang and Sima Boming that he was willing to transplant his liver to his father, who had no money for a transplant, to thank his father for his upbringing. The old man was filled with grief and told the two doctors that Xiao Zhao's biological parents were good friends of the old man and died in a fire. The old man and his wife adopted Xiao Zhao to comfort their old friend's spirit in heaven. The doctors present were all sighing. Gong Fan's mother regarded Sima Boming as Jackie Chan's soon-to-be son-in-law. Sima Boming told Gong Fan that he and Gong Fan were not suitable. Gong Fan was not casual on the surface, but he was very entangled in his heart. Han Zihang took his grandma to Sunshine Hospital. Ye Minghui told his grandma that it was not him but Fu Hongbo who had supported Han Zihang for many years. Grandma recognized Fu Hongbo as Fu Zhanyuan who had changed his name, and fainted in anger. Grandma woke up and asked Han Zihang not to use his hands to save Fu Hongbo. Han Zihang agreed to the old man's request. After his grandma passed away, Han Zi decided to keep his promise to his grandma and give up the operation on Fu Hongbo. After Fu Hongbo heard about it, he told Ye Minghui that if Han Zihang hadn't come to perform the surgery on him, he would rather follow Han Zihang's grandmother. Guan Shan persuaded Han Zihang, and Han Zihang finally agreed to pick up the scalpel again to complete the redemption of others and himself.
Renqiu's mother was seriously ill and was hospitalized. Renqiu's three brothers saw that Renqiu's mother was delayed in illness because she could not afford the medical expenses, and took risks to steal equipment and materials from the construction site, injuring the dog. Ren Qiu didn't know what to do. After learning about the situation, Guan Shan quietly sold her small sports car and paid off all the treatment fees for Ren Qiu Niang, the surgery fees for the dog and the damage to the construction site, and helped Ren Qiu solve his urgent need. Ren Qiu vowed to repay everyone who had been kind to him. Sima Boming was in charge of the operation of rural boy Zhao Qiang. The operation went smoothly and success was imminent. At this moment, his son Sima Xiaochao also needed surgery due to hemorrhage in his chest due to an accidental car accident. Sima Boming chose to insist on completing Zhao Qiang's operation and saved Zhao Qiang's life, but Sima Xiaochao's life died prematurely. Ex-wife Yuan Zhuo said that she will never forgive Sima Boming in this life. Deep down in his heart, Sima Boming fell into deep self-blame and faced collapse. Gong Fan deeply sympathized with Sima Boming's experience, and she silently loved and cared for him. Sima Boming severely rejected Gong Fan, and he wanted to be alone. Sima Boming almost went crazy when his ex-wife Yuan Zhuo didn't tell Sima Boming where his son was buried. Gong Fan tried his best to find out the address of Sima Boming's son's cemetery. Sima Boming was moved by Gong Fan, and the two hugged each other tightly.