Pet sitter Xiaoba works up a sweat caring for a cat while its owner is away. Once she finishes, her thirst leads her to drink a mysterious bottled beverage, sending her into a dreamlike daze. When the owner finally returns, he finds Xiaoba prowling around the room like a cat and realizes exactly what she drank. Taking advantage of the situation, he begins some slow and filthy sexual “communication” with her. What fate awaits Xiaoba?