The father-in-law can't stand his son's wife, but he convinces himself that she's his son's wife and gets a love potion to target another woman, but ends up using it on his son's wife anyway. The father-in-law pours all his strength into the beautiful body of the aroused wife, and the young body twitches and spasms. Although he feels sorry for his son, he can't resist the pleasure, and the aroused wife is further penetrated by the man's penis.
