Intrigue

A French rocket scientist has invented a formula for fuel that will erase all other sources of energy - so valuable that his Government, foreign spies and crooked businessmen want to get their hands on him - first.

The Secret Service abducts a "rocket scientist" to better protect him against gangsters acting for Chinese agents. His daughter, Vera Lerins, will help Captain Derry concoct a plan to mislead the opposition. A Latin cabaret singer will play more than her two songs... and is, truly, a Bella Morena!—Artemis-9

George Lerins, a rocket scientist, arrives at the Orly airport in a TWA flight. He is waited there by Vera Lerins, his wife (DANIELLE GODET), a brunette beauty. Gratin, in a hidden position, takes his photo to better identify him later - in preparation of an abduction. S. Golder, dealer in African and Oriental antiques, is a front for the Chinese government, interested in getting their hands on the scientist.

Captain Thierry [Derry in the English version] (FRANK VILLARD) has prepared a plan with Colonel Durand, of the Deuxième Bureau [the French Counter-Intelligence service], to thwart an abduction, and so, the "scientist" is a secret service agent, Bernard (YVES BRAINVILLE).

Carol Carr (ANNE BERANGER), a sexy blonde journalist, interviews Vera Lerins, trying to know where they will be staying. Captain Thierry has the "journalist"investigated, and exposed as a phony. Then, Thierry and the Secret Service "kidnap" the fake Lerins, to better protect him from the foreign agents.

Thierry takes Vera to a restaurant with Latin-American music and dancing, where they watch Bella Morena (DALIDA) singing two love songs - "Inconnu mon amour" and "L'amour chante". The beautiful singer seems to be in liaison with Thierry.

The smart gangsters are led to Bella Morena, and she is interrogated at her dressing room, where she breaks, and confesses where the "scientist" is hidden - an isolated country house off Paris. He goes there with two accomplices, and they are arrested by Thierry and his men.

The gangsters get wiser, and they manage to actually kidnap the fake scientist, and later, to arrest Thierry himself, when he was trying to double-cross them again.

It's up to Vera Lerins to confront the fake journalist, and get the location of the gang's hideout from her. She enters her hotel room, and the sexy Carol Carr denies any knowledge of the matter. [Editing cut to an unrelated scene. When we get back to Vera, she makes an hasty entrance at the Secret Service headquarters. I assume that she has shaken the truth from the blonde, and that explains the four minutes missing from the original picture.]

While Thierry and Bernard are fighting for their lives against the gang at the country house, Colonel Durand is rushing with his men to rescue them. Too late for Bernard, who gets shot in the gut. The gang's sharp-shooter tries to kill the real George Lerins, when he meets with his wife at Orly. Thierry manages to locate the sharpshooter, and neutralize him after a long hand to hand fight, just in time.