Will Hay delivers quite well in this wartime pick-me-up of a film. He is discovered to be the spitting image for a Nazi general who happens to be in charge of a prestigious Hitler Youth establishment. As you'd expect, his character "Potts" is the least like a general you can imagine, but soon he has been dispatched as a sort of doppelgänger and is causing the predictable havoc amongst the aspirativer mais...