Agent Steve Mitchell journeys to Portugal to help his friend and fellow agent bust a human smuggling operation.
Steve Mitchell is sent to the South China Seas to assume the identity of the mysterious Captain Jaeger with the mission of breaking up a huge gun-running operation.
Steve Mitchell is sent to Casablanca to find and stop those responsible for trying to sabotage the relocation of European refugees to their own island in the Mediterranean.
The Commissioner sends Steve to Munich Germany to crack and espionage ring that transmits secret information by word of mouth in order to avoid leaving a paper trail.
Steve is sent to Stockholm, Sweden, to investigate a group of European professors who go conduct worldwide lecture tours. One of them is thought to be a foreign agent carrying secrets back.
The Commissioner ships Special Agent Steve Mitchell off to the Swiss Alps to recover a document that proves the death of a foreign leader was no accident.
Steve is sent to India to meet with a man named Guda regarding Carter who was possibly framed for stirring up a revolt.
Steve hops on a French train to protect the head of an American plastics corporation who's traveling to a foreign conference. He finds the industrialist shot dead.
Steve is in Africa to learn the identity of the man who is stirring up trouble with the native witch doctor.
Steve packs it up and heads to the Africa to locate two agents who have gone missing while trying to find a deadly strain of parasites that the enemy hopes to use as a weapon.
Steve is smuggled into an Eastern European labor camp to get intelligence from a one-time Communist bigwig. Passing himself off as one of the uranium miners, Steve gets in.
A foreign agent loses his life trying to steal a reel of film from a low-budget Italian movie. Steve is sent to Rome to find out why this footage is so valuable.
Steve Mitchell is sent to Cairo to track and catch the Order of the Secret Dove. This secret society, with both Arab and European members, is terrorizing the whole Middle East.
After a famed foreign correspondent is murdered Steve travels to Burma to locate his missing companion Linya. There he navigates an unusual group of world's citizens.
In a small country in South America the leader of the minority party is killed three days before the election. A US citizen, living in the country, is accused of the murder.
Steve travels to Tokyo to get evidence on an ex-girlfriend who's suspected in an outbreak of sabotage. He finds Marta as charming and dangerous as ever.
Steve's assignment is to find a missing diplomat, who is believed to be traveling in Barcelona, Spain.
Steve is sent to Paris to protect a man named Szabo, and more importantly, the papers in Szabo's briefcase.
A Civil War map has been stolen by a foreign agent and Steve has been sent to investigate.
In Panama, Steve tries to determine the link between stolen dynamite and a length of string found on a corpse.
The recent murder of a man who was supposed to have died six years ago sends Steve to Greece in search of a cast-iron swastika supposedly containing the location of Hitler's secret bank accounts.
Posing as a journalist in the Balkans, Steve tries to keep a murdered general's secret documents from falling into the hands of enemy agents.
Steve parachutes into an Eastern European country to search for a confession that will exonerate the country's leader of false charges of being a spy for the U.S.
Steve must travel though the famous sewers of Paris to rescue a colleague whose identity was discovered after he infiltrated a European spy ring.
