The Traitor Within (1942)

In this drama a truck driver begins wooing a young woman who still lives with her father who constantly brags how he not the town mayor was responsible for catching a regiment of Germans during WW I Unfortunately no one in town takes him seriously Later the daughter meets a German immigrant who confirms her fathers claim She then convinces her boy friend to use this information to blackmail the mayor into giving him a new truck and some extra amenities lest he tell the truth