Ryoko is suffering from sleep deprivation due to her daily intimate encounters with her fiancé, Hirata. One day, she jumps into a taxi just before being late and meets the driver, Akira. Meanwhile, at the hospital, the director is plotting to marry his daughter, Yuka, to Hirata. After much deliberation, Hirata chooses Ryoko, but an enraged Yuka slips an aphrodisiac into Ryoko's drink...

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.

Yoko is a housewife who's frustrated by her husband's lack of virility. She finds solace in erotic daydreams, the ministrations of a condom salesman and, eventually, the partner-swapping lifestyle.