A humble husband is no longer able to respond to his wife's advances due to his age. However, because he loves her, he starts secretly filming her daily activities. They get along well, but perhaps because they married late, his wife spends her days engrossed in her hobbies. The husband, who wants his extremely strict and sexless wife to take an interest in sex, has a strange thought: "Maybe she'll be happy if it's another man's dick?" and he puts his fantasy into action...