![](https://image.tmdb.org/t/p/w342/yaWW76FehrZhnbPr8ZCLq7IWget.jpg)
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Boat building father and son join the river patrol service and get caught-up in a spy ring.
Release: Dec 28, 1940
Runtime: 79 minutes
Language: English
Studio: Butcher's Film Service
Country: United Kingdom