After her husband's death from illness on the seventh day of mourning. Mihong's beautiful and delicate, sometimes melancholic expression carries a unique allure of a widow. There is a man who pursues her with lecherous eyes—her brother-in-law Hyakukichi. He has harbored impure desires for Mihong's beauty for some time. And on this solemn seventh day, Hyakukichi assaulted her. From then on, Mihong is tormented by him daily. However, the relentless phallic torture gradually awakens Mihong to pleasure…
