A FRENCH ARMY OFFICER, LIEUTENANT DUVALIER, HAS BEEN SEPARATED FROM HIS UNIT AND RECEIVES HELP FROM A MYSTERIOUS WOMAN. HE FOLLOWS HER TO THE CASTLE OF BARON VON LEPP ONLY TO FIND THAT SHE IS THE BARON'S WIFE WHO DIED 20 YEARS AGO. STARRING JACK NICHOLSON, BORIS KARLOFF, SANDRA KNIGHT, DICK MILLER.