Three housewives are summoned to an elite school to address their children's behavioral issues, only to be lured into a trap by a mysterious man named Shigezo. Claiming that the mothers are the ones who truly lack discipline, Shigezo subjects them to a series of degrading sexual punishments in a secret facility. As the women eventually succumb to the pleasure of their "lessons," Shigezo establishes the "School of Housewives" with plans to recruit more students.
A wealthy mother attempts to enroll her son in a school after the deadline, leading the principal to demand a financial sponsorship. As part of the agreement, the principal forces her to undergo a series of degrading "lessons" to understand a child's perspective, subjecting her to sexual humiliation and sadistic punishments using school equipment before she eventually submits to his desires.