King of the Royal Mounted 1940 is a Republic Pictures northern serial based on the King of the Royal Mounted Comic strip directed by William Witney and John English.
Although the Royal Canadian Mounted Police are few in number, they successfully guard a vast dominion of the British Empire. From the United States border to the Arctic ice pack and from the Atlantic to the Pacific, the red coat of the Mountie is the symbol of law and order and a promise that justice will prevail. To these gallant men, King of the Royal Mounted is respectfully dedicated.In World War II, the Nazis require a special mineral, Compound X, discovered in Canada. Although intended to cure paralysis, the Nazis have discovered that it can be used in magnetic mines to destroy the British fleet and blockade America to prevent it assisting the Allies. The Mounties discover this plot and work to defeat and capture the Nazi spies sent to obtain the ore. Sgt Kings father is killed in the line of duty, saving his son from death on a circular saw, and leaving him to carry on the fight against the enemy. ........
Source: Wikipedia