The Tiger is sent to oversee the excavation of a sunken ship. While busy to retrieve the gold tresure in it, he is constantly thwarted by international enemies. Among them is an old Nazi named Hans von Wunchendorf who dreams of world domination. He hides behind the codename "The Orchid" and needs the treasure to sustain a worldwide network of exiled former comrades. Once sanified by the gold his organisation plans to realise the endsieg after all.

A Turkish ambassador arrives in Paris to sign an important trade agreement, allowing Turkey to buy a sophisticated new war plane from France. Immediately he is the target of an assassin, and a special agent is assigned to protect him.