German U-boat U-37 in Canadian waters ...

Extracts from the 1941 movie "49th Parallel" / "The Invaders" (123 min)
----World-War-Two UK—Canada propaganda movie; budget £132.000.) Original story and screenplay by Emeric Pressburger; music by Ralph Vaughan Williams.

49th Parallel is a 1941 British war drama film; it was the third film made by the British writer-director team of Michael Powell and Emeric Pressburger. It was released in the United States as The Invaders.
Early in the Second World War, U-37, a German U-boat, makes its way to Canadian waters and participates in fictional anti-shipping activities similar to those that would later characterize the Battle of the St. Lawrence (which occurred in actuality some time after the film's release). The U-boat succeeds in evading RCN and RCAF patrols by moving north. A raiding party of six Nazi sailors are put ashore to obtain supplies, but no sooner do they land then the U-boat is sunk in Hudson Bay by RCAF bombers. The six attempt to evade capture by travelling across Canada to reach the neutral United States and return to Germany...