Miura, the apartment manager, is staring at the images on the monitor in a dimly lit room, with an eerie smile on his face. What was projected there was the naked married life of Mr. and Mrs. Koide, who had just moved recently. The living room, the bedroom, the bathroom, the toilet... without knowing that everything is being monitored by Miura, the wife, Haruka, has intimate relationships with her affair partner in the middle of the day. Miura peeks into the whole story and threatens Haruka, saying, "If you don't listen to what I say, I'll reveal it to my husband!"
