Yuangong, a deacon, opens a shrine and reveals its holy book to the human world, then carves the book's contents onto the stone wall of the white cloud cave in the mountains. For breaking heaven's law and giving the sacred secret away to humankind, the Jade Emperor sentences him to guard the book for the rest of his life. If he wants to pass the holy book on to people, he has to get past a fox who stands against him. The film is a supernatural adventure.