Chisato and Reiko are both struggling with their relationships with their stepsons. One day, they reunite at a counseling center where they've come seeking advice about their respective stepsons. Former lovers, the two rekindle nostalgic feelings as they talk, drawn to each other despite being remarried. Their secret rendezvous is accidentally discovered by Hiroshi, Chisato's stepson. At this emotional crossroads, the fates of the two women begin to shift.