In the dim light of a traditional Vietnamese home, a brother and sister, both virgins, find themselves alone, their religious upbringing weighing heavily on them. But the heat of the night and the stirrings of their bodies prove too much. Nuôi, the sister, feels her brother's gaze on her, his eyes filled with a hunger she can't deny. She tentatively reaches out, her fingers brushing against his cock, feeling it pulse with life. Trai, the brother, trembles, torn between his duty and his desire. Their bodies press together, their clothes slowly falling away, as they succumb to their taboo love, their moans echoing in the silent house.