Seven policemen, seven deadly sins, a murder case, secrets and the filth of everyday police work: Traffic Department transports the viewer into the darkest Warsaw streets.

21-year-old film student Kim Hiorthøy wonders if it is possible to live in the moment, and if the way to find out is to make a kind of verity movie about it - as if he was in Paris in the 60s and not in New York in 1994.