A Soviet tank breaks through the front line during the January 1945 offensive.

The story takes place in a small, provincial town in Masuria. Beginner artist painter Piotr comes here from Warsaw to paint frescoes in the local church. Piotr is a great karate and treats everyone as potential rivals. His antagonist is Roman, the head of local hooligans. Soon there is a conflict between them and the situation becomes very dramatic.

A famous surgeon is beaten by drunken bullies, loses his memory and cannot recollect who he was before. He gets to a village, lives in a not so well to do family and becomes the Quack - he slowly regains his talent for medicine and saves the lives of several village patients.