Overview: Refugees on a ship bound for a new home are terrorized by a saboteur.
Overview: Steve must smash a spy ring that transmits top secret information the old-fashioned way--by word of mouth.
Overview: In Stockholm, a child is kidnapped in order to prevent his father from exposing an espionage ring.
Overview: Steve must risk his life in the Swiss Alps to recover a document that proves a country's recently deceased leader was murdered.
Overview: Steve travels to Bombay in order to clear a jailed American citizen of sabotage charges.
Overview: Steve's assignment this time is to travel to Rome in order to recover vital film footage stolen from a movie company.
Overview: Steve is sent to Burma to investigate the murder of a newspaperman who was posing as a political refugee.
Overview: It's Steve to the rescue when an American citizen is accused of murdering the head of a South American political party.
Overview: Steve must discover whether or not an old galpal, who's now an enemy agent, is behind acts of sabotage in Japan.
Overview: In Barcelona, Steve tries to retrieve a taped conversation of a European diplomat who has disappeared.
Overview: Steve must stop a saboteur's attack on a conference in Paris between Western and Eastern bloc nations.
Overview: Steve tries to find out the connection between the murder of a well-known foreign agent and the theft of a Civil War map.
Overview: Steve tries to determine the connection between a piece of string found on a corpse and the theft of dynamite in Panama.
Overview: In the Balkans, Steve must locate a murdered general's secret documents before enemy agents can get their hands on them.
Overview: Steve parachutes into Eastern Europe to search for a witness who can clear the United States of an international frame.
Overview: Steve discovers a Commie spy ring operating out of the sewers of Paris.
Overview: In Paris, Steve's only clue to the identity of an assassin is a bowl of cold stew.
Overview: Steve travels to Macao and poses as a crook to stop a counterfeiting ring that's flooding the Far East with phony United States currency.
Overview: Steve is sent to Singapore to recover a million dollars worth of rubber that was stolen from the United States.
Overview: Steve must protect an Italian journalist with information about Mafia activity in an election on the newsman's flight back to Italy.
Overview: An American businessman is framed for assassinating the King of Transjordan. Steve travels to the country to prove that other elements were responsible for the killing.
Overview: Steve uses a decoy to smuggle a U.S. diplomat out of Eastern Europe.
Overview: Steve is sent to South America to expose a plot against the United States.
Overview: In Berlin, Steve is on the trail of two masked men who swiped a valuable briefcase containing confidential documents from a diplomatic courier.
Overview: Steve poses as an agitator in Transjordan to stop a fanatic bent on starting a revolt against his government.
Overview: After a murder in Rome, Steve discovers that someone has been impersonating him.
Overview: Steve gets smuggled into a slave labor camp to get vital information but then finds that it's going to be a lot harder getting out.
Overview: Steve negotiates the dangerous back alleys of Havana in search of a spy in possession of stolen documents on microfilm.