 An unexpected visit from Liyan's childhood friend Zhang Zhichen (Li Wei), a doctor from Shanghai who previously had a relationship with Yuwen before she married Liyan.As Zhichen walked through the ruined courtyard wall, it indicated that he walked into the heart of Yuwen, the marriage of Liyan and Yuwen and the life of them, which also creates a lively atmosphere to the ruined household.The rest of the film details the complicated relationship between Yuwen, Liyan, Zhichen and Xiu.