The mother suddenly appears at her son's apartment where he lives alone. Though the son thought he had moved on from his family, it was actually the lonely mother who was suffering more from solitude. Her innocent appearance gradually stirs emotions within him, and before he realizes it, sexual desire begins to awaken. His penis pulses again at the sight of her lush, seductive breasts and soft, round buttocks. Bound for so long by a modest lifestyle, she now embarks on a new path through this forbidden relationship. The intense sex scenes unfolding within the small room highlight director Motonori Kitano's signature emphasis on taboo and tension, drawing viewers in completely. The shocking relationship born between mother and son leads them both into forbidden pleasure.