After Robert Cannon has his interview with the former president of an occupied European country, a chain of unscheduled events follow.
Robert Cannon finds his life threatened by agents of two border nations until he discovers a way to write the truth to his news service.
The mysterious transporting of a piano from one country to another brings a horrifying murder. Robert Cannon meets an old friend, an attractive young girl, who is now a famous pianist in Europe and finds a case of murder. He's suspicious of the girls manager whom she seems to fear.
Two U.S. correspondents discover a dead man's body on a train and trace a murderer.
When the police refuse to believe foreign correspondent, Helen Davis (Synda Scott), she takes on the search for a group of dangerouse men in Hamburg, Germany. They threaten a plot to blackmail the world through the use of biological warfare.
Robert Cannon's assignment to cover an ordinary convention in Brussels winds up with two corpses. While there, he is mistaken by a black marketeer for a contact man to receive some stolen diamonds.
Robert Cannon decides to recreate the final actions of a fellow reporter who was murdered in Switzerland, while gathering material on Europe's black markets.
Foreign correspendents Robert Cannon and Helen Davis, trap a band of international counterfeiters operating in Paris.
Foreign correspondent Robert Cannon checks into a fashionable Parisian hotel and finds and unexpected letter with a $10 bill enclosed waiting for him.
Robert Cannon is returning to Europe from a trip to Iceland, aboard a ship on the Baltic Sea bound for Oslo, Sweden. He believes it to be a quiet ship, when he suddenly hears a scream and becomes involved in case of murder, seeking a man who murdered his twin brother.
Robert Cannon is invited to an occupied country for an interview with a fellow reporter who has been convicted as a spy. He learns that the scribe has been forced to confess his guilt and is protecting a girl.
Robert Cannon takes a plane trip with two convicted black marketeers and gets an exclusive interview with death. The two pilots are killed while the plane is in automatic pilot. Cannon realizes he should have headed the advice a passenger, when her "woman's intuition" predicted what was to happen.
Robert Cannon is assigned to cover the murder of a prime minister's secretary. She is killed when she discovers an attempted robbery of a sealed envelope from a high ranking official. He discovers the drastic measures used to sway an unstable country's political affiliations, and outwits leaders in the opposition party. The criminals with the document threaten to use it to alienate the present form of government ties with Atlantic Pact Nations.
Helen Davis is invited by the security police to expose war criminals living in Lausanne, Switzerland.
Robert Cannon finds himself and an entire country held to ransom by two spies who have a secret message to get out of the country.
Robert Cannon discovers how an aggressor nation is attempting start a revolt in a border country. Subversive elements try to overthrow the government using fear and hysteria of the people as a political weapon.
A former newspaperman discovers that racketeers have confiscated U.S. relief supplies destined for East Berlin. Robert Cannon learns of this discovery and hastens to warn the man when he fears his life may be in danger. An unknown brother, a hostage, and a phone call reverses the entire situation.
A chance meeting between Robert Cannon and a friend on a train leads to the theft of valuable secrets. Robert Cannon is suspected of the theft and ends up in jail.
A convicted man condemned to death seeks an interview with Robert Cannon and asks his help in retrieving a certain envelope that will prove his innocence.
When an Ex-Nazi steel magnate hears that Robert Cannon is writing a series of damaging articles regarding the disposition of several steel mills, he invites the reporter to his castle on the Rhine.
After accepting a mysterious suggestion to play a stranger's 10,000 franc note on "red five" at a French Riviera casino, Robert Cannon meets a doctor and a beautiful girl, and discovers that a roulette table can spin both fortune and murder.
The Associated News Service is informed that Europe's black market chief is in Hamburg. They send their top foreign correspondent to get an interview. He stumbles upon a counterfeit passport racket.
Robert Cannon attends the convention of the "International Society of Amateur Magicians", in Paris. French secret police request his aid in breaking up a secret meeting of international spies posing as magicians Disguised as one of them and learns there is a lot more to a successful impersonation than wearing a mustache. He is expected to pull atomic secrets instead of rabbits out of his hat.
Robert Cannon covers a chemical explosion and gets suspicious when the chemical plant is shut down without investigation. He learns that a scientist conducting experiments of international value was killed, and becomes suspicious when and an abandoned railroad track, near to the isolated plant, shows signs of use.
Robert Cannon is summond to an isolated village in Europe by two former circus performers, a clown and a midget. Cannon is led to the bedside of a dying man by the midget, but when he returns he finds another family occupying the shack.
Robert Cannon helps a woman attaché from an occupied country escape across the Italian border to freedom.
When covering a German election, Robert Cannon is tricked into staying at the home of a Nazi candidate and held incommunicado.
Robert Cannon encounters a legend of a ghost in a small village, and sets out to disprove it.
Robert Cannon, covering a routine news story in Stockholm, is thwarted at every turn when he tries to check out the re-appearance of a German colonel, supposedly hung for war crimes in 1947.
The government uses Helen Davis to procure a list of names, and a poker party provides an exciting crisis to her problem.
In order to keep a secret formula out of the wrong hands, Robert Cannon memorizes it and is forced to join a night club act in trying to escape.
Armed with a geiger counter, Robert Cannon and the police attempt to find the murderer of a professor by discovering the stolen radioactive isotopes which render death to the possessor.
Robert Cannon seeks an interview with a beleagered Polish scientist.
Robert Cannon becomes involved in a question of whether a small European nation should join an allied mutual aid pact. Small nations are the pawns of the larger ones and in this case a request from a small nation is to be voted on, but the Prime Minister's vote leads to murder.
Robert Cannon is involved with a former concentration camp inmate who takes it upon himself to settle the score with the remaining Nazis who persecuted him during the war.
Helen Davis investigates the dilettantes who ruthlessly pilfered Europe's art treasures for a selfish Fascist leader.
Robert Cannon and a fellow correspondent are permitted to travel behind the Iron Curtain. While there, they are asked for proof of innocence of an important Eastern European to the West.
Robert Cannon investigates a man who is hunted by the police and hated by everyone.
Robert Cannon uses his wits and fists as he writes a story of saber scars and neo fascism in Germany's famous Heidelberg University.
The key to this mystery is a 13th century key, which alone can open a parliament and save a people's liberty.
Robert Cannon attempts to save the life of a ruling prince who owns Near Eastern Oil.
Steve Godfrey, Paris correspondent (Bernard Farrell), is asked to act as bait for the chief of a spy ring. He accepts the dangerous assignment with the understanding that if he is recognized as an imposter, rescue may come too late.
Robert Cannon is determined that the reward for courage will not be death, and employs both Cupid and the "power of the press" to fight the avenging police.
Robert Cannon finds the attention to routine pays off with the lead to a front page story of hi-jacked anti-Nazi funds. He finds that guns seem more necessary than typewriters in trying to save the pretty girl and get the story.
Robert Cannon takes a hand in the double cross when a fellow journalist is murdered by the henchman of a would-be Fuehrer.
Robert Cannon's reputation for honesty puts him on the spot when Amsterdam's chief of police trust him to uncover and trap an international smuggling ring. He is saved from death by a sneak thief.
Robert Cannon receives the key to the lawless activities of former Nazis when he receives a letter from a female admirer.
Robert Cannon is given 24 hours to prove his innocence when a man impersonating him murders two members of a free thinking organization
An "accidental" mine disaster starts correspondent Helen Davis on the trail of a story based on a series of Uranium hi-jackings.
"United International News" news correspondent Steve Godfre starts to write a story abour a financial known as the "Man with the Midas Touch", but learns from a garrulous barber, that there's more to his wealth than meets the eye.
Robert Cannon finds that shipboard friends made en route to North Africa are actually "finger men" for an international sabotage ring. When they put the finger on him hue uses both hands in a free-for-all fight.
Robert Cannon is enjoying a night out in his favorite Parisian bistro, when a beautiful blonde spy spoils hgis evening by slipping a gold cigarette case in his pocket by mistake.
Steve Godfrey tries to help a fellow American regain his passport in Paris and discovers the existence of an international ring of passport thieves.
Helen Scott seeks out to see the sights in a new democracy, but instead witnesses a prime minister's assassination. When she reports the assassin's identity she nominates herself as the next target for death.
Robert Cannon displays a newsman's characteristic impatience official's red tape and finds himself the chief suspect when officials lose a top secret code book as a result of unofficial haste.
Robert Cannon is called to uncover the hiding place of an escaped Nazi storm trooper who starts a reign of terror by preying on French officials.
Robert Cannon and Helen Davis are enjoying a day off in Stockholm when they see a famous General and his brother holding a furtive meeting on the waterfront. Curiosity about the man's escape from behind the Iron Curtain entangles them all in the deadly tentacles of the secret police of an Iron Curtain country, and their investigations point to a kidnap-blackmail scheme.
Sound waves and an unstable glass vase protect Robert Cannon when he slips behind the Iron Curtain to bring out the formula for a super explosive bequethed to the Western democracies by a great scientist.
Robert Cannon is about to report on an International tribunal's deliberations of a reported massacre of prisoners. They fail to uncover any evidence, but a nurse gives Robert Cannon a clue to hidden evidence.
The chance of rescue of a West Berlin waif leads Robert Cannon behind the Iron Curtain to win a father for the boy and a rocket scientist for the West.
Robert Cannon is in the midst of a conflict concerning the guilt of a former underground leader charged with murder and robbery of an American agent.
Robert Cannon develops an unhealthy curiosity about the career of a counterfeit Robin Hood and becomes the pawn in the outlaws games with the police.
Robert Cannon uses scissors and paste to help the regular police of a democratic nation uncover the kidnappers of a top defense scientist.
An Iron Curtain country's top spy on the trail of scientific secrets, involves correspondent Helen Davis in an exciting game of cat and mouse as he wangles his way into the secret conference. He claims he is an escapee who can identify Europe's top spy and steals the secrets of the best scientists in the West, while leading a spy hunt himself.
Robert Cannon discovers a front page story in a snowbound French chalet when he links a missing plan with the disappearance of Mediterranean defense plans and a plane crash.
Robert Cannon's search for a missing war hero search for a missing war hero reveals a seven year-old fraud and culminates in the release of the man wrongly accused of murder.
A former prisoner of war is determined to carry out a private execution, and a traitor is the intended victim. He uses Helen Davis as a foil .
Robert Cannon changes his travel plans when at a chance meeting at Frankfurt Airport he encounters an ambitious West German agitator.
The potential terrors of a super germ, powerful enough to destroy an entire city, become real when the germs are stolen and used to threaten an entire government.
Robert Cannon accepts an invitation to a Spanish nobleman's guest house to get a political story, but finds his headlines written in poison when an ancient evil strikes home.
Shocked by the brutal attack on a construction company executive, Helen Davis investigates retarded defense projects and sets out to learn the whys and wherefores of stolen construction bids.
Robert Cannon is given the job of escorting the body of a disinterred journalist from behind the Iron Curtain and starts a grim game of hide and seek.
Robert Cannon's press pass to a meeting of high government officials nearly becomes his death warrant when a neo-fascist group plans a coup with Cannon as the go-between.
Robert Cannon baits a hook with gold when he responds to a pretty girl's call for help, but almost ends up a victim of his own wiles.
Robert Cannon discovers that he is allergic to diamonds when they are in the hands of an explosive model.
A famous surgeon must make the choice between his own life and that of the man who is his country's sole defense against dictatorship.