Son arrives to find his mother lost in thought in the kitchen, only to discover her lifting her skirt and touching her crotch. After the father left, the mother had been secretly inviting younger men into her room, indulging in relentless sex—her latest lover being the son's senior. Clutching his chest, the son cries out, "I'm not the only one who's lonely!" Emotions surrounding his relationship with his mother grow increasingly complex.