Shortly before the start of WW2, renowned British big-game hunter Alan Thorndike, vacationing in Bavaria, has Hitler in his gun sight. He is captured, beaten, left for dead, and escapes back to London where he is hounded by Nazi agents and aided by a young woman.

Walter Pidgeonas Captain Alan Thorndike
Joan Bennettas Jerry Stokes
George Sandersas Major Quive-Smith
John Carradineas Mr. Jones
Roddy McDowallas Vaner
Ludwig Stösselas Doctor
Heather Thatcheras Lady Alice Risborough
Frederick Worlockas Lord Gerald Risborough
Roger Imhofas Captain Jensen
Holmes Herbertas Saul Farnsworthy