1942. Polesie. The occupation regime grows harsher day by day. In response, public dissatisfaction increases, and the partisan movement gains strength too. The underground fighters of a small district town manage to intercept an army courier carrying documents with super-secret plans of the fascist command. But how can they smuggle them across the distant front line, if the Gestapo, preoccupied with the actions of the partisans, has already begun a clever and treacherous operation?…