Sumire Kosaka becomes deeply entangled in illicit affairs with her husband's subordinates. While burdened with guilt and self-loathing over deceiving her husband, those emotions gradually transform into desire. One after another, she invites the men into her home, a faint, almost playful smile appearing on her face. The warmth of the men she embraces pulls her further into emotional depths. Her body grows increasingly heated, completely consumed by a whirlpool of desire.