Weather station on Greenland picks up strange radio signal coming from the area and soon they are attacked by Nazi soldiers. German officer and the commander of the weather station have to find the way to cooperate in order to survive.
Polish forces engage in one of the bloodiest battles on the Baltic coast - the siege of Kolobrzeg, where well prepared Germans have no plans to surrender.
In summer of 1939 Germans are preparing the last element that will justify their invasion of Poland - the Operation Himmler - covert operation on the territory of Poland.
During German invasion in 1939 Polish government try to evacuate the gold reserves to Great Britain via Romania, which would be hard enough even without constant attacks from German saboteurs.
