Summer of 1939. Zosia is a young Polish girl who is deeply in love with Ukrainian Petro. Their great love will be put to the test when her father decides to marry her to a wealthy widower Skiba. Right after wedding she is left alone because her husband is drafted to the Polish army for the war with Germany. Meanwhile, tensions grow due to Jews, Poles, and Ukrainians living side by side.
Poland, 1978. Edward Srodon, a zootechnician, makes an accidental stop at the Dziabas family farm, located in the remote area of the Bieszczady Mountains. Years later, on a winter day during Martial Law, a People's Militia investigation team examines a crime scene.
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.
