[A live-action version of a comic about an intense affair with a hot wife!] A woman named Sayo Mochizuki comes to the store for a job interview, and the manager of a market whose sole purpose in life is to have sex with the married women he hires as part-timers. She has a voluptuous body and a plain but pretty face. The two are attracted to each other by chance, as they were classmates in school. It doesn't take long for them to become close, kissing and caressing each other in the store and having multiple, horny sex encounters at a hotel. The two become so engrossed in their extramarital sex that they end up cumming inside each other without a condom until they go crazy, and she ends up pregnant...