A man awakens with amnesia in a mysterious parallel world where he is served by a group of devoted maids. Told that he can only return home after resolving his personal issues, he settles into a peaceful routine, particularly with the maid Karin. However, he is soon plagued by vivid, erotic visions of "punishing" the maids for their mistakes, leaving him terrified that his hidden desires are becoming reality in this surreal realm.