The Yanagida couple have not had sex for a year due to the husband's hernia. Yayoi, the wife, is in her prime and wants to have sex, so she masturbates to relieve her pent-up sexual desire. One day, the shower at the Yanagida house breaks down, so they have to use the shower in the caretaker's room. Just like a moth flying into a flame... Yayoi is pushed down by the perverted caretaker and has his dick forcefully thrust into her. Even though she says no, her hips naturally start moving...