The story of "Night Patrol" mainly tells the story of a robbery under the icy and snow-covered viaduct on a winter night. Through investigation, the police found a series of crimes of online fraud and robbery. The plot is full of twists and turns, climax, and the brain burns to the point of madness.

In the northern Chinese city of Manzhouli, they say there is an elephant that simply sits and ignores the world. Manzhouli becomes an obsession for the protagonists of this film, a longed-for escape from the downward spiral in which they find themselves.