
Ye Chen, a demon hunter, investigates a blood sacrifice case involving the Bloodfiend Sect. He saves Yuki, last of an ancient bloodline. Yuki possesses the lost art of Yin and Yang life and death, a coveted key. She is hunted by the Netherworld Sect and the Bloodfiend Sect. Protecting Yuki, Ye Chen's Pure Yang Energy resonates with her power. An ancient secret binds their fates to world survival.