There were a few of these wartime dramas designed to bring attention to the atrocities being carried out by the Nazis on the erstwhile peaceful people of Norway. This one finds "Eric" (Paul Muni) flee to Britain where he trains and returns to his homeland determined to wreak revenge on his occupiers and their Quisling allies and to help the British to successfully bomb an airbase being built at altitude that could be used to attack allied territory and shipping. It's all a bit meandering, however. Muni isn't really a very convincing Norwegian nor is Alexander Knox particularly menacing as a cap...