Emiko Koike is a married woman who has never been fully satisfied by her beloved husband in bed, leaving her body aching with desire. Suddenly, her husband dies from a heart attack, plunging her into deep grief. Her brother-in-law begins relentlessly pursuing her, while at the same time, her stepson becomes captivated by the allure of older women. The two men gradually start a fierce battle over Emiko's body.