Everyone thought Du Chuan was crazy, and no one had ever seen the Xiang Nian he talked about. Errors in handling the case took a back seat, and the mysteries surrounding his mother's death and Xiang Nian's disappearance were no longer within his reach. Until one day he meets the man who brought joy to his childhood again, but Du Chuan's mission is to arrest him. Different identities, different positions.
Concept: The world is not black and white