The clothing store owner Tian Yuanyuan has an affair with her nephew, the real incest god and the little uncle and aunt have an affair.

The story follows clothing store owner Tian Yuanyuan as she embarks on a taboo relationship with her nephew, becoming immersed in incestuous adultery. The film realistically chronicles their journey from secret rendezvous to emotional entanglements, depicting the clash of passion and desire amid the collapse of family ethics, brimming with dramatic tension and adult elements.