Lin Baosheng (played by Chow Yun-fat) is a wealthy Hong Kong man who has long been engaged to his cousin Yuxian (played by Lizhi). However, Baosheng does not like the vulgarity of his fiancée and decides to run away from the marriage to prove that he can live independently. On the first day of his escape, he accidentally came to a charity party and met the owner (played by Xia Yu) and his sister (played by Zhang Aijia), the sponsor of the party, Dongdong Fast Food Restaurant, and became one of the employees of the fast food restaurant. Baosheng spent an unforgettable time with a group of kind colleagues. He also saw the existence of his own value and developed feelings for the boss's sister. However, his wedding date with his cousin is approaching, and his true identity will also surface. What will happen to his relationship with the boss's sister?