JOYLAND is a documentary that explores the strained relationship between a father, Yang, and his son, Hao, set against their family-run shipyard in China. The factory faces the pressure of closure due to policy changes. This not only challenges the fate of the factory but also tests the family relationships. In the process of the father and son's struggle to save it, this film reveals the root cause of their estrangement, a family secret that has remained unspoken.