Sae, a beautiful wife who lives with her bad father-in-law, Shigeharu, who is vulgar, unserious, and loves gambling. Shigeji, who had his eye on her youthful beauty, regularly peeped into the bath, stole her underwear and smelled it. One day, Sae's husband, Makoto, leaves home for a two-night business trip. Taking this as an opportunity, Shigeharu attacks even though he reveals his true nature. Even if she desperately runs away, she presses down with force, and the congested meat stick ….