As they kneel in prayer, the siblings' hands touch, sending a jolt of electricity through them. Their eyes meet, and they see the same forbidden desire reflected back at them. They try to resist, but the pull is too strong. The sister leads her brother to her bedroom, where they fall onto the bed, their bodies entwined. They kiss hungrily, their hands exploring each other's bodies, their clothes falling away until they're skin to skin. They make love with a fervor that belies their pious upbringing, their bodies moving in sync as they lose themselves in each other.