In the black land of the Northeast, there is a mysterious and ancient belief - Chuma Xian. It combines the shamanistic view of the soul, the Taoist immortal system and folk witchcraft to form a unique belief system of "symbiosis between humans and immortals". The story of Chuma Xian is not only a legendary contract between mortal disciples and the animal fairy family, but also a vivid footnote to the idea of "animism" in Chinese folk culture.