Liang Mucheng (played by An Yixuan) was born into a wealthy family and practiced piano from a young age. However, after a car accident that took her father's life, her family fell into hardship. Her aunt remarried a small shopkeeper, and she had to live under someone else's roof, struggling to get by. As she grew up, she coincidentally met Ren Guangxi (played by Wu Jianhao), the son of a school director at Shengde High School, and got involved in his breakup with his girlfriend. Later, her aunt opened a cafeteria at Shengde High School with Liang Mucheng, allowing her to meet the students there and become a focal point of attention. Ren Guangxi, whose parents divorced when he was young, had an eccentric personality and treated relationships as a game, bragging with his friends that he could win over Liang Mucheng in one day. However, just when he was about to succeed, her sudden cleverness made him change his mind. Later, when Liang Mucheng accidentally played the piano at Shengde Hall, Ren Guangxi seized a chance to spend a night with her but was secretly discovered by his adoptive father, who made a big deal out of it. After that, they agreed to play the piano at Shengde Hall, but his adoptive father's leaks caused a stir in the campus, leading their romantic relationship to experience a tumultuous yet romantic journey...