Lu Jin, who once served as a demon hunter for the Heavenly Court, was stripped of his immortal bones and knocked out of the mortal world because of the secret release of a fox demon. A "fate-defying contract" was branded on his palm that could steal luck but reduce life span. Before his life span ran out, he found out the truth about the frame-up and cleared his name. However, he was involved in the Jade Emperor's shocking conspiracy of refining the God-killing Pill.