The last guests have left, and the siblings, exhausted but aroused, find themselves alone in the dimly lit inn. The brother, having caught his sister masturbating earlier, can't shake the image of her curves. She, flushed with desire, joins him in his room, their bodies pressing together as they share a secret, late-night smoke. The tension builds, and she reaches out, tracing the outline of his cock through his pajama pants, feeling it throb with need.