The Kurenai-kai is the management association for a certain housing complex. All the married women who are members are dissatisfied with their husbands. Honoka's husband is cheating despite being newlyweds, Nao's husband is a playboy, Nozomi's husband runs away from marital relations, and the husband of the chairman, Hana, is obsessed with pachinko. Hana and the others' dissatisfaction with their husbands reaches a boiling point, so they go on a "naked strike," calling for liberation of the wives' Kokoro and bodies. Then, as the residents become excited by the sight of the married women marching around naked, they begin seducing them as a way of getting back at their husbands...