The latest installment of the hit series is here! A man returns to the home of his former coworker who was fired from the company, only to tie up a married woman in the house and assault her. Airi, a married woman who works in accounting, is caught exchanging illicit money with her lover. When the company's managing director discovers the truth, he locks Airi in a storage room and subjects her to continuous sexual assault. As a result of this incident, her relative Asuka also gets dragged in and becomes another victim of violence. One after another, married women are pulled into this shocking chain of events.