Scene 1. (Trauma treatment) Da-jeong is introduced to a well-paying job through her boyfriend. The job involves assisting Dr. Jang, whose mental age is stuck in his teenage years, in trauma treatment. Da-jeong treats Dr. Jang’s trauma through sex. Scene 2. (Secret diary) Na-ra and Sol are a close mother and daughter. Sol tries to find a boyfriend for her single mother, but her mother refuses. By chance, while tidying up the room, Sol finds her mother’s diary and is shocked after reading it.