Gu Yi is a stand-up comedian in Shanghai who juggles a day job and nighttime performances. Her simple goal is to make everyone laugh, but one day she encounters an audience member, Liang Daiwen, who seems immune to her humor. This leads to an unexpected clash between a woman driven by comedy and a man who never laughs.

A desperate theft leads to a fatal accident, landing a man in prison and leaving his daughter convinced another family ruined their lives. Years later, she seeks revenge, drawing them into a dangerous game built on misunderstanding.

After failing his legal exams, Meng, a self-taught law student, is forced to work nights as a taxi driver. During a heated argument with a drunken customer, unable to contain his fury, he pushes the man into a river. The years go by. Now a successful lawyer and father, Meng is haunted by his past.