Two siblings, bound by blood and religious conviction, find themselves drawn into a forbidden dance of desire. In the dim light of their shared bedroom, they whisper their darkest fantasies, their breaths hot and heavy. The older sister, a vision of innocence with her rosary beads clutched in her hand, confesses her lust for her younger brother's innocence. The brother, a picture of naivety, admits his curiosity about his sister's secret rituals. As they speak, their bodies betray them, their clothes growing tight and uncomfortable. They resist, but the devil's temptation is strong, and they soon find themselves entangled in a web of taboo lust.