Zhou Dahua gives her grandson a bath, receives a call from a mahjong friend urging her to join a game, and leaves the child alone in the filling bathtub to go out and play mahjong. The child almost drowns, water floods downstairs, neighbors notice the leak and have property management break the door open, and Lin Yue rushes back to administer first aid and take the child to the hospital, where the child is saved. Zhou Dahua has concealed her gambling and debts for years, is set up by her mahjong friend Liu Guifen to lose consecutively, accumulates IOU debts up to seventy thousand, and is forced to sell her house. Lin Yue catches them in the act and fiercely scolds her husband for accompanying the gambling. Zhou Dahua takes her retirement savings to gather evidence but gets detained instead, Lin Yue calls the police, and the police break the door down to arrest the orchestrators, as gambling debts are not protected by law. Zhou Dahua repents, quits gambling, and peaceably raises the child.