
A World War II U-boat crew are stranded in northern Canada. To avoid internment, they must make their way to the border and get into the still-neutral U.S.

Comedian Tommy Trinder plays it straight in this tribute to the wartime AFS (Auxiliary Fire Service), the dedicated band who kept the fires of London under control during the blitz and fire bombings of WWII.

There exists an age-old rivalry between the Cornish and Breton fisherfolk, but harbormaster Nat Pomeroy holds a particular grudge - not just for the Bretons' incessant poaching, but for the harbor dues he loses in the process.