The blueprints of an aeroplane built from an ultra-secret metal are stolen from national security. French secret service agent Walder believes that the documents are now in Switzerland, in the hands of a man named Lindbaum. The latter agrees to hand over the blueprints in return for a large sum of money. Another agent, Francis Coplan, is sent to Switzerland to handle the deal, but Lindbaum only has half of the documents because he was double-crossed by Kalpannen, an international crook. With the help of Heidi, a Swiss correspondent, Coplan sets out to identify the members of Kalpannen’s gang, only to find that they have all been murdered…
Genre: Action
Stars: Henri Vidal, Barbara Laage, Jacques Dacqmine, Nicole Maurey, Lino Ventura, Margaret Rung
Crew: Maurice Labro (Director), Robert Isnardon (Editor), Jean Lehérissey (Director of Photography), Alain Poiré (Executive Producer), François Chavane (Executive Producer), Roger Ribadeau-Dumas (Executive Producer)
Country: France
Language: Français
Studio: La Société Française de Cinematographie, Société des Etablissements L. Gaumont, Cinéphonic
Runtime: 100 minutes
Quality: HD
Released: Mar 15, 1957
IMDb: 6
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