Roaring pleasure, revived carnal instinct! - Masochist training repeated by men while they are strangers! Newlyweds who have moved into a new apartment. Just as she was about to change her environment and concentrate on making children, her husband told her that she was going on a long-term business trip. One night, a wife is attacked by a thug man and enjoys unprecedented pleasure. The husband who calls from a business trip feels anxious about his wife's abnormality, but he should not know that the wife herself has become a shared property of the apartment ...