A brother and sister, confined to a small closet, struggle with their religious guilt as they find themselves aroused by each other's proximity. The sister, clad in modest clothing, can't help but notice her brother's growing bulge. She tentatively reaches out, her fingers brushing against his hardness. As they begin to explore each other's bodies, they're both overwhelmed with shame and desire, their religious upbringing clashing with their burgeoning incestuous lust.