Codenamed "Zhulong", it is the most powerful knife in the country's dark department. No one knows that he was once the boy who hooked up with his childhood sweetheart under the locust tree. An "accident" burned his past, and hell training turned him into a monster. Until one mission, he saw her who had become an elite member of the national security team - and she recognized the painful secret that only two people understood.
From a killing machine to finding your own name. This is a secret battle spanning life, death and identity.
