Four wives undergo intense training due to their own personal circumstances, in a deeply explored narrative. Each woman is drawn into a man's control through different circumstances, ultimately forced to accept their fate. Yayoi begins being dominated by her former colleague, Mr. S, during her husband's business trip. Nozomi, anxious about potential layoffs, succumbs to her boss's advances and steps into an abnormal world. Nao's affair at her part-time job spirals out of control, dragging in the company president and coworkers into a depraved training scenario. Sena, frustrated by a sexless marriage, starts a one-night stand with a man she met at a bar, only to find herself unable to escape. The emotional turmoil each wife experiences—guilt, shame, and pleasure—forms the core appeal of this work. Painful yet strikingly realistic developments unfold, leaving a powerful impression on viewers.