Popular actor M. Jampolskis plays the main role of Andrius Mažylis, a small town police inspector. In the film, the policeman is accompanied everywhere by his service German shepherd named Mažylis. After returning to his hometown to work with the dog after several years spent at the police academy, Andrius finds a very changed environment: now everything is ruled by criminals and corrupt local officials. A. Mažylis and his namesake dog will have to work hard to restore order and peace to his hometown.