Sent to work as a "slave housekeeper" to pay off her husband's debts, Kayo enters a household where a bedridden father and his recently laid-off banker husband live. Her duties as a housekeeper quickly spiral into erotic developments far beyond mere chores. Under the pretext of inspection, she is suddenly violated, forced to suck out residual urine from his penis when told it's present, and ultimately treated like a pig. Yet a secret pact exists between Kayo and the father, and their hidden truth gradually comes to light. Big-titted, soothing milf actress Chikage Myojo delivers a passionate performance, enhancing the story's allure.