The world's most famous swashbuckler, Errol Flynn, dons a Canadian police uniform in this "slickly done drama" (Leonard Maltin's Movie and Video Guide) also starring Julie Bishop and Helmut Dantine.Flynn (The Adventures of Robin Hood) is Steve Wagner, a Canadian Mountie of German descent. When Nazis sneak into Canada and all but their leader are killed in an avalanche, Steve rescues him and, with their German background in common, attempts to befriend him. The Nazi is subsequently arrested, but later breaks out of jail, taking several fellow prisoners with him. Their diabolical plan: to bomb the canal that binds Canada and England. But Steve and the Canadian police have a plan of their own - a brilliant strategy to thwart the Nazi scheme.