The chapter opens with a description of the cat, which is still moving. The narrator tells us that the cat's movements are so strange that he wants to get it checked out by a vet. The chapter ends with an explanation of the concept of yin and yang. The first principle of yin is that the body is protected from being corrupted by the soul of another, while the second principle of yang is that a person's soul is awakened. If a person loses their soul, they will die. The second principle states that if a person is taken over by the spirit of another they will fall ill and die. In the dream, the spirit revives and the dreamer returns to his own body. The