Yuko, a married woman separated from her husband, finds herself plagued by unsatisfied desires, even dreaming of a stranger's thick, hard cock. Her son's friend, Koichi, takes advantage of her vulnerability and forcefully seduces her, leading to a secret affair. The affair quickly becomes gossip, eventually reaching Koichi's father, who demands an apology. As the situation spirals, Yuko is torn between emotion and morality, drawn deeper into a complex web of desire and consequence.