Scene 1. (Elder brother’s wife) Due to unforeseen circumstances, Chang-hyeon comes to stay at his older brother’s house for a few days. Her sister-in-law, who is also close to Chang-hyeon, welcomes him warmly and tells him to stay at home comfortably. That evening, he sees his sister-in-law coming in drunk after going out to attend a scheduled meeting.
Scene 2. (Younger brother’s wife) Jin-gi’s younger brother breaks off his engagement with his long-time fiancee, Yoo-ri, and is having an affair with another woman. After this, Jin-gi’s prospective sister-in-law gets mentally broken and tells him to have sex with her.
Scene 3. (Younger sister) A returning male senior goes to a female junior’s house to collect payment for membership training fees. When he arrives, the door to her house is slightly open, and the senior finds his junior, who does not answer her phone, doing some kinky masturbation.
