The two-dimensional black silk sister-in-law opens a room to have an affair with the rich second-generation brother-in-law, and the historical sister-in-law also calls to stimulate.

The film tells a story of an affair between a second-dimensional black silk sister-in-law and a rich second-generation brother-in-law. In the taboo relationship between the rich second-generation brother-in-law and the married sister-in-law, Sister Shi also joins in, making the plot even more intriguing. The film depicts the struggles and conflicting emotions people face when confronted with temptation in real life, as well as the tangled emotions between betrayal and repentance.