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.
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.