Karin is now continuing her father's research and is also caught in the cross hairs of the mysterious opponents. Johanson himself retreats to a Cambodian monastery in order to escape the gangsters' shots and recover. Meanwhile, the international criminals manage to steal Johanson's energy formula. Karin then goes after the thieves, supported by Lundstrom. But he also has his own goals. The hunt takes them around the world. It soon turns out that a certain Madame Latour is behind the sinister machinations. Eventually old Johanson falls into her hands. In Southeast Asia, a showdown ensues between the kidnappers and Lundstrom and Karin.

Cast

Martha Hyer

Karin Johanson

Carlos Thompson

Peter Lundström

Micheline Presle

Mrs. Latour

Carl Lange

Berakov

Leon Askin

Fernando

Valéry Inkijinoff

Priester

Gino Cervi

Professor Johanson

Lino Ventura

Biamonte

Hans Nielsen

Colonel Dagget

Charles Regnier

Norvald

Sabu

Lin-Chor

Wolfgang Preiss

Brandes