A happily married couple, Shiori and Tetsugaku. One day, Shiori's ex-boyfriend Saiji visits them. He claims to be the manager of a travel agency and suggests that Shiori go on a trip to Europe. However, Tetsugaku was also planning a belated honeymoon. Touched by the proposal, Shiori declines Saiji's offer. But in reality, the semi-criminal Saiji starts threatening her, saying he can't cancel the booking, and if she can't pay, him and his friends overpower and rape Shiori.
