O.H.M.S.

Also known as You're in the Army Now, Glória que Redime, Au service de Sa Majesté, Corpo militare britannico in oriente, Onder vreemde vlag

American racketeer Jimmie Dean travels to England, where he assumes the identity of a Canadian whom he has been falsely accused of murdering. Jimmie is then forced to join the British army in the dead man's place. He falls in love with the Canadian's childhood playmate, Sally Briggs, and becomes a hero after saving an isolated English colony in China.