Polizeiruf 110 is a long-running German language detective television series. The first episode was broadcast 27 June 1971 in the German Democratic Republic, and after the dissolution of Fernsehen der DDR the series was picked up by ARD. It was originally created as a counterpart to the West German series Tatort, and quickly became a public favorite.

The captain of a ship of the merchant navy is always on the move because of his job – and has a different girlfriend in every harbour. But his friends think that he should change his way of life. Thus, they take the lovely reporter Eva on board for a trip to Leningrad. But at first, Eva′s presence causes a lot of upheaval on board.

A teenager is found murdered, and the examining doctor recognizes her son's knife. The film works its way back to reveal how this situation came about; a rare treatment of the taboo subject of youth criminality in Socialist society.

Film by Hanns Anselm Perten.