In a dimly lit room, brother and sister, their bodies alight with taboo hunger, can no longer resist their carnal urges. He reaches out, cupping her breast, feeling her nipple harden against his palm. She moans softly, guiding his hand down to her aching pussy. He slips a finger inside, feeling her wetness, before replacing it with his thick cock. She takes him in, her walls stretching to accommodate his size, as they move together in a dance as old as time, their hearts pounding with fear and exhilaration.