Xu Xun always wanted to know the cause of death of the man who saved him, so he returned to the place where he grew up and became a policeman. But the water in Yunze City is too deep, far beyond what Xu Xun thought. He has experienced life and death, betrayal and love and the truth. After everything, are you really still you?
Concept: People have good and evil qualities. Have you ever looked directly at human nature? Light and darkness are intertwined, but we still chase the light in front of us.