Bored and restless, a brother and sister turn to each other for comfort, their innocent touches evolving into something more carnal. He's drawn to her curves, she to his growing manhood. They explore each other's bodies, her soft moans echoing as he tentatively touches her womanhood. Their rhythm builds, breaths hitching, until they're both on the brink of ecstasy, their taboo act interrupted only by the creaking of the old floorboards.