Makiko, a married woman who lost her husband, finds herself unable to resist the advances of her stepson. Though she knows their relationship is forbidden and feels guilty toward her daughter, her suppressed desires—left with no outlet since her husband's death—overwhelm her self-control. Her body craves male attention beyond resistance. Before long, she begins longing for her stepson's touch. This story follows the emotional transformation Makiko undergoes as forbidden desire takes hold. Amid intense inner conflict and moral turmoil, her struggle between guilt and passion leaves a powerful impression on the viewer.