Living in a suburban house, Reiko led an ordinary yet satisfying life, aside from her husband's infidelity. However, her father-in-law, Shinsuke, troubled by his son's aimless behavior, begins treating Reiko with unusual kindness, leaving her confused by his growing attentiveness. Is Shinsuke's affection genuine care, or does it conceal something more? A delicate story exploring the shifting emotions and blurred boundaries of everyday life.