The owner of the roast meat shop, Juan (played by Yang Fan), is inherently flirtatious and rebellious. However, in terms of sexual life, her husband, Chang (played by Zhang Jincheng), is unable to satisfy her, leading her to frequently scold him. Juan's cousin, Yafeng (played by Sun Jiajun), comes from the mainland to visit relatives in Hong Kong and temporarily stays at the shop. Due to her beautiful appearance, Yafeng attracts customers, including the local detective, Ah Sheng (played by Anthony Wong). One day, Juan takes Yafeng shopping, where she faces disdain from a shop attendant over a silk nightgown and secretly vows to get revenge. While Juan is out fooling around, Yafeng secretly seduces Chang, bringing him to heel. After that, Yafeng not only fiercely retaliates against the fawning shop attendant but also gains her identity in Hong Kong. Subsequently, when Juan and Chang attempt to resume their sexual life, they notice a change in Chang's reactions and suspect he is cheating. At this time, Yafeng, with her drastically changed hairstyle and attire, catches Juan's attention. The conflict between them escalates. However, Yafeng is not afraid; relying on Chang’s affection, she intensifies her antagonism against Juan and methodically implements her twisted revenge plan step by step...