Immortal and aimless, Wu Xin has no memory of his origins or purpose. Struggling to survive, he meets kindhearted Yue Ya, who shares her last meal with him. To repay her and sustain themselves, he uses his unique ability—hunting supernatural creatures. Together, they embark on a thrilling journey, battling monsters for those who can pay.

Wu Xin: The Monster Killer ran for 3 seasons. No new episodes are scheduled.