This drama is based on Bao's novel "My Gai Shi Hero," a short story about a hotel restaurant waiter, Jang Gwang Jung, and a stewardess, Jung Yoo Eun, who redeem each other's sins and work diligently to become better heroes in their daily lives, creating the best version of themselves.
Jang Gwang-jung, a hotel restaurant waiter who has always gone along with the crowd and settled for the status quo, falls in love at first sight with air hostess Jung Yoo-eun, who changes his unchanging state of life. In order to better reach the "best goddess" in his heart, he enters the square dance team belonging to Zheng Youen's mother, Liu Pretty, and slowly changes his prejudice against the square dancers, and is even more touched by their courage and love of life, and picks up the pursuit of perfection in work and life.
The seemingly harsh hotel suite Sun supervisor to assist the staff to improve the "Shining Moment" program, in the support of friends, Zhang Guangzheng seriously study through the training to get the opportunity to further study, to move towards a wider range of new horizons, and continue to enhance the spacing with Zheng You'eun.
Zhang Guangzheng's persistence and boldness also changed the maverick Zheng You'en, not dare to deal with the sincere Wang Nulang, because of the fear of not succeeding to give up graduate school exams, Chen classic, etc., everyone in the huge city, in order to treat people with sincerity, in order to better become the heroes of everyday life and diligently, to create the best of themselves.