In French Guyana, an experimental space rocket explodes. Everything points to sabotage. Obviously a computer signal sent from the rogue colony of Camaia threw the rocket from its course. The Gorilla lets himself be smuggled to Camaia as an ex-convict, and spreads dissension among the group.
Two brothers use their work of wood-cutters at the Austrian-Italian border to smuggle drugs. The Gorilla lets himself be hired by the company as timber cutter, and starts his work. At one point, his informer and him are almost crushed by a huge tree that falls just behind them, but that does not stop them.
In Sevilla rages an embittered gangs war. The powerful money launderer Soubise seems to be close to achieve victory over his rivals. The Gorilla camouflages himself as a customer who wants to «launder» his money. Soon the gangsters are fighting to get his business - until they get suspicious.
The Gorilla is in Vienna on the trace of weapon runners. In a doll factory he discovers explosives, hidden there by the English gangster, Fergusson. The criminal flees, but before he abducts Béatrice, the Gorilla's colleague. Now the hunt is more personal, and risky.
At the Berlin Congress (West Germany) the famous physicist Professor Keibel, is presenting his invention of a new weapon of mass destruction, when he is abducted. The Gorilla is caught in a back and forth East/West traffic between the different secret services. Suddenly his colleague Béatrice is abducted, too.