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…

An assortment of American types come together in the Italian campaign of 1944.

The love affair of an ex-convict with a showgirl, unleashes the jealousy of his older, wealthy and unbalanced wife. A murder plot, staged phoney suicide and other twists and turns follow.

Author-explorer Reggie Blake takes an unorthodox approach to his craft, apparently finding inspiration in the adventures suggested by his agent Charles Lunton; it matters little that most of his experiences are wildly embellished or even entirely fictitious...

1966 film by Guy Lefranc

A ship's captain gets mixed up with murder during the hunt for lost Nazi treasure.

A boy accidentally shoots a friend with a gun he found in the rubble of a destroyed building. The gun turns out to be a clue in a ten-year-old murder case.

A war correspondent who was stationed in Paris during WW II married a French girl who was murdered by the Nazis. After the war he returns to to try to find his son, whom he lost during a bombing raid but has been told is living in an orphanage in Paris.