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.

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.