As Michelle and James' parents argue downstairs, the siblings sneak into the bathroom, their eyes locked in a heated gaze. Michelle, clad in a revealing nightgown, can't resist the temptation to touch her brother, her hand slipping under the waistband of his pajama pants. James, already hard, lets out a low groan as Michelle's fingers wrap around his length. They know they're playing with fire, but the thrill of the taboo is too enticing to resist.