After the outburst of World War II, Orzeł, a Polish submarine, is interned in Tallinn. The crew decides to escape the Kriegsmarine pursuit through the Baltic Sea. The odds are against them, but if they manage to enter the North Sea, they can get straight to England. A fictionalised adaptation of the legendary daredevil escape of the Polish submarine from internment in Estonia. A classic action-packed war adventure with bold characters and a gripping ending.