Trapped in a closet, a brother and sister, both virgins, struggle with their forbidden desires. Their religious upbringing clashes with their growing lust. She tentatively reaches for his cock, her small hand barely fitting around its thickness. He gasps as she strokes him, her inexperience making her touch both clumsy and tantalizing. Their bodies press together, her nipples hardening against his chest. They're on the brink of sin, their hearts pounding with fear and excitement, when a floorboard creaks, freezing them mid-act.