Wife Yuko, dependent on her husband's income, feels bored and sexually unfulfilled in her daily life. One day, she hires a renovation worker to redecorate her room. The man arrives wearing a tight tank top, his bulging muscles glistening with sweat, emitting a masculine scent. Like someone who has taken an aphrodisiac, Yuko feels her heart racing out of control. Losing all rationality, she takes the first step toward him...