A secret relationship they can never tell their husbands. "I can't get away from my father-in-law anymore..." The wives, who reluctantly agreed to live with their father-in-law, gradually fall into his lustful trap. However, the wives, who are not satisfied with their nights with their husbands, don't mind it at all... The father-in-law's wicked pranks, holding their weaknesses, gradually escalate. At first, the wives resisted, but they were captivated by their father-in-law's skillful techniques, both physically and mentally... A total of 5 actresses, 120 minutes of intense action!