Ah Zhi, a priest of the Miao ethnic group, bears the mark of the symbiotic flower and needs to make a contract with the beast owner in order to resolve the plague curse on her tribe. She found Yincang, the beast master who could transform into a white tiger, but found that he was cursed and unable to control his animal nature. The two get along in a secret sacrificial realm and fight against the witch master who wants to steal the symbiosis flower. Ah Zhi uses the power of the flower to suppress Yincang's bestial nature. In the process, the contractual relationship turns into a life-and-death lover.
