Two years had nearly passed since the death of her husband, and on a quiet summer day, Mio and her son Akira were living a peaceful life together. However, Akira had begun to develop forbidden feelings for Mio, struggling to suppress his growing desire. Unable to confess his love for his stepmother, he secretly filmed her, using the hidden recordings to fill the emptiness in his heart. But Mio soon became aware of his actions, and their relationship took an unexpected turn.