In this rarely seen British thriller set in Scotland during World War II, an inventor becomes the target of a kidnapping plot when the Germans fail to obtain the blueprints of a secret bombsight. Gathered with the inventor and his family on the cottage estate are a Nazi spy, an undercover detective, and a butler with a secret─all maneuvering to conceal their identities and true motives. Leslie Banks, Alastair Sim, and John Mills star. Directed by Anthony Asquith ("The Winslow Boy"). AKA: "Bombsight Stolen." 90 min. Standard; Soundtrack: English.