When Mikuru, a busty housewife, calls for an in-home massage, an old man shows up. Though initially startled, she's swayed by his polite demeanor and impressive sales pitch, leading her to agree to the service despite expecting a female masseuse. However, this esthetician, Shinji, is a depraved and utterly unscrupulous practitioner who uses aphrodisiacs daily in his quest to find sexual slaves...