To Catch a Spy(1957)

To Catch a Spy is a Cold War espionage thriller in which French secret agent Francis Coplan is dispatched to Switzerland to retrieve stolen blueprints for a revolutionary aircraft made from classified metal. The documents have been split between rival criminals, forcing Coplan into a dangerous game of cat-and-mouse across the Swiss landscape. Aided by Heidi, a local journalist with her own connections, Coplan must track down the members of an international crime syndicate—only to discover they've all been systematically eliminated. As the bodies pile up, Coplan races to uncover who's orchestrating the murders and secure the missing half of the blueprints before they fall into the wrong hands. Packed with double-crosses, shadowy operatives, and high-stakes intrigue, To Catch a Spy delivers classic spy-fi adventure.