New explosives will be demonstrated for the military authorities, but some shady characters looking to steal it to sell it to a foreign power.

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Main Cast: Nils Poppe, Sigurd Wallén, Carl Reinholdz, Harry Brandelius, Gaby Stenberg, Carin Swensson, Åke Grönberg, Bengt Djurberg, Erik Rosén, Stina Sorbon

Director: Sigurd Wallén

Writers: Tor Bergström, Torsten Lundqvist, Sigurd Wallén

Editor: Lennart Wallén

Cinematographer: Karl-Erik Alberts

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