To make a long story short, the two guys and gals are really digging their SM antics together but eventually the guy returns home to confront his wife who wonders where the hell he’s been for the past week. He makes up some excuse but she’s not buying it and asks him if there’s another woman involved. (No honey, actually two). Well, needless to say he can’t come clean. How is he going to explain to his wife how he innocently fell into this den of depravity? So he makes his way back to the strange house, sits down outside and lights up a cigarette.
Two assistants to an S&M photographer decide to practise their master’s art on their own. They convince a young woman to pose for them and subject her to bondage and torture during the photography session. After their work is finished, the three go to the home of the young woman’s ex-boyfriend and attack him and his wife.
Hisako is the sexually-frustrated wife of the older art academy Professor Ouchi. Ouchi is a repressed conservative who disdains modern art, and expels Kazuo, a student who specializes in SM painting. Hisako becomes obsessed with the expelled student, and has an affair with him. Kazuo and Hisako retire to a cabin in the countryside where they indulge in SM activities.
A high school student called Ranko is attacked by a vagabond on school grounds late one afternoon. Her beloved teacher Sayuri rescues her, only to take her place as the victim. Ranko tries to get help from a piano tuner who is just leaving the school. They eventually find Sayuri and her attacker in a classroom, but the man refuses to go in and save her, saying to do so would risk her life. She is raped, and after the vagrant shoots his load and shuffles off, they clean Sayuri up and agree never to speak of what happened. Not long after the incident the piano tuner offers Sayuri a ride home from school, abducting her in the process and imprisoning her in his basement. As he subjects her to various forms of sexual torture, Ranko manages to figure out where she is being held – but risks being captured and violated herself.
Nami is a masochistic high school student who is attacked and almost raped by a gang of hoodlums before being rescued by handsome teacher Muraki. The near-miss triggers bizarre hallucinations in Nami, and she imagines herself engaged in various S&M situations with Muraki, in which she is beaten, forced to urinate, and tortured on the titular wooden horse. The hallucinations grow progressively more real (and exciting) to Nami, and soon Muraki is accused of raping her and loses his teaching position.
A look a the lives of two sex workers in Tokyo: Rei, who works as an S&M dominatrix, and Ayumi, in the more straightforward profession of call girl. In addition to their working life, the film also looks at their private lives. Rei is acting in an amateur theatre company (along with the receptionist from Ayumi’s escort service), while Ayumi is living with her student-boyfriend as he struggles to finally get accepted to college.
Ran Masaki plays a beautiful teacher who is transferred to a remote mountain school where she is gang-raped and abused by the male students. She is also turned into sex slave and subjected to sexual torture by bondage freaks.