Fang Wanyun senses that her husband, Li Shouan, is suspected of cheating at home, and rushes back to catch him in the act, but is blocked outside the door by her mother-in-law. She calls her parents and brother to back her up, and both sides reach a stalemate in a standoff. As the parties involved arrive, the misunderstanding is resolved, but instead, the family members all blame Fang Wanyun for being suspicious. However, Fang Wanyun notices that the bedroom door is still locked, and insists on inviting a locksmith to open the door. After the door opens, the room turns out to be completely empty.