To fulfill the wish of a client who desires to have sex with a relative, Koichi Takahashi steps up...the entire incest plot is captured on hidden camera! A son, whose desire is unstoppable after seeing his mother naked while she was asleep during a massage, makes the request. A director disguised as a musical director's director casts the son as the lead actor as part of a scheme to meet with the mother. Starting with nude photography and progressing to physical entertainment for the director, the operation finally begins. The mother, summoned by the director, cooperates for her son's sake, changes into a swimsuit and puts on a blindfold to help create new choreography. An assistant who joins later unknowingly allows body contact with the son, and according to the director's instructions, things develop into an erotic scene. When she is penetrated and starts to feel good, the mother learns the truth and becomes confused. However, after understanding the circumstances, she is embraced by her son again and guides him to ejaculation in a reverse cowgirl position.
