The fox demon Su Che has a blood feud, and he and the tree demon Wuyou have been together in the unknown forest for thousands of years. The two brothers and sisters Sang Nan and Qing Ni who came to slay the demon discovered the shocking secret of Wuyou. Unexpectedly, there is another secret behind the crime. Zen Master Putuo and Saint Sister Gayin, Buddhists, are they enemies or friends? How will the love between the four of them end?