Steve travels to Venice to find and buy back a rotor to the agency's code machines, containing confidential information.

Steve goes to Richmond to find out why a foreign agent has stolen an old Civil War map from the home of Col. Caruthers.

Steve travels to Cairo to dispel the order of the sacred dove, the most dangerous secret society ever encountered.

Undercover agent Steve Mitchell (Brian Donlevy) deals in intrigue.

Steve travels to Greece to find out how a man could have recently been murdered when he was believed to have died six years prior.

Steve travels to an African jungle to stop a man who has been causing trouble between witch doctors.

Steve travels to the Trans-Jordan area to find a missing goddess and protect her from the wrong hands.

Steve travels to Paris to find one of his colleagues who had worked his way into an international espionage ring and then was discovered to be a mole.

Steve is sent to retrieve a document that proves the leader of a country friendly with the United States didn't commit suicide but was murdered.

Steve helps 700 displaced persons from Eastern Europe reach a small Mediterranean island where they can begin anew.