Marian Nowicki

Poland in 1946. A gang of 'Thunder' is committing violent robberies and murders and terrorizes the population of a large territory, consistently moving away from retribution. Captain Morava gets to knoa that 'Thunder' has a well-informed informant between his pursuers. The captain comes up with a cunning plan.

Based on a true story of Polish submarine "Orzel" (The Eagle): September 1939, "Orzel" is coming to Estonian neutral harbor in Tallin. Under pressure from Germany Estonians have intern the ship. Commander Grabinski decides to escape to England through the Baltic Sea, without any maps that has been confiscated and with only small amount of fuel on board.