Artistic reconstruction of real events telling about the struggle of the Belarusian police against banditry in the first post-war years. 1946. A front-line scout, senior lieutenant Smolich arrives in the town of Porechye to strengthen the local militia: in the western regions of Belarus gangs terrorize the population. The bandits of the mysterious Freyshyutsa, a former Nazi collaborator, are especially rampant. Smolich and criminal investigation chief Krikunov have to neutralize the elusive enemy. However, the plan of the police operation is suddenly jeopardized by information leakage. It turns out that in the police station there is a traitor...