Young adventurer Gipo owns one fifth of a rock illustrating the location of a rich gold mine. Risking his life more than once and with the help of the beautiful hooker, Lulu Belle, our hero sets out to recover the missing pieces.
A frustrated Frankfurt innkeeper is recruited as an agent for the "Gehlen Organization" and after a short training period, during which he is familiarized with sophisticated espionage methods, he takes his first steps as a spy.
Doc Saxon and his gang rob the Crown City bank but are double-crossed by Carrasco, a Mexican bandit, who steals the gold and leaves Doc and Donovan with nothing.