A couple arrive by boat to a small fishing village where women dive for seafood. He is returning from a trip and he brings his latest girlfriend, a former hostess, with him. This causes jealousy with a local diver, a woman he had relationship with before he left. Meanwhile the other female divers find ways to satisfy themselves after a hard days work.

A husband happily takes delivery of a new plaything, a woman who has been trained to be a slave and obey his every command however degrading or painful for three months. His wife, however, is a little upset with his new hobby but slowly becomes intrigued…

The lovely Reiko has taken a new teaching job at a creepy old high school. She is an extremely attractive woman and the young students in her class have fallen for her. One night, after tennis practice, she is brutally assaulted in the locker room shower by a man with a stocking over his face. Left on the floor naked and in shock, she discovers a single puzzle piece left behind by the crazed man. A few days later, a pair of students enact a perverted sexual revenge on Reiko for kicking someone off the tennis team. Could one of these students be the man who brutalized her in the locker room? Who owns the strange puzzle piece? As the mystery unfolds, Reiko must come to terms with her own sexual urges and fate.

With soft curves and deadly cunning a widow and her two daughters take revenge for the killing of her husband who was the leader of their gang. Based on the novel by Azusa Katsume.