While in London trying to nab several fugitives who stole a million dollars from a U.S. Treasury vault, American federal agent Dennison (Dennis O'Keefe) assists Scotland Yard Insp. McClaren (Philip Friend) in his search for a missing atomic scientist (Paul Hardtmuth). The detective duo discovers that the key to solving both cases may rest with the scientist's daughter (Margaret Sheridan) and her fascinating diamond.
For love, the rules of society and justice are broken, leading to abduction, exposing life and freedom, facing everything to make a sick child a normal child.
An American military officer and his wife move to a cottage in what they think is the peaceful English countryside, only to discover the area is a hotbed of spies and secret agents.
Vincent Lubeck is a vicious ex-convict. His criminal activities are despised by his family, but he uses and abuses them in the course of his crimes. Eventually his own brother must stand up to him.
A man who is believed to have murdered a woman, escapes from the insane asylum to find if he was the one to actually kill her using the scarf she was wearing.
After years of investigation, Assistant District Attorney Martin Ferguson has managed to build a solid case against an elusive gangster whose top lieutenant is about to testify.
Frank Johnson, a sole witness to a gangland murder, goes into hiding and is trailed by Police Inspector Ferris, on the theory that Frank is trying to escape from possible retaliation. Frank's wife, Eleanor, suspects he is actually running away from their unsuccessful marriage. Aided by a newspaperman, Danny Leggett, Eleanor sets out to locate her husband. The killer is also looking for him, and keeps close tabs on Eleanor.
Young auto mechanic Dan Brady takes $20 from a cash register at work to go on a date with blonde femme fatale Vera Novak. Brady intends to put the money back before it is missed, but the garage's bookkeeper shows up earlier than scheduled. As Brady scrambles to cover evidence of his petty theft, he fast finds himself drawn into an ever worsening "quicksand" of crime.
Frank Bigelow is about to die, and he knows it. The accountant has been poisoned and has only 24 hours before the lethal concoction kills him. Determined to find out who his murderer is, Frank, with the help of his assistant and girlfriend, Paula, begins to trace back over his last steps. As he frantically tries to unravel the mystery behind his own impending demise, his sleuthing leads him to a group of crooked businessmen and another murder.
A bad day gets worse for young detective Murakami when a pickpocket steals his gun on a hot, crowded bus. Desperate to right the wrong, he goes undercover, scavenging Tokyo’s sweltering streets for the stray dog whose desperation has led him to a life of crime. With each step, cop and criminal’s lives become more intertwined and the investigation becomes an examination of Murakami’s own dark side.
Secret Service agents make a deal with a counterfeiting inmate to be released on early parole if he will help them recover some bogus moneymaking plates, but he plans to double-cross them.
Through a fluke circumstance, a ruthless woman stumbles across a suitcase filled with $60,000, and is determined to hold onto it even if it means murder.
Roy Martin aka Roy Morgan is a burglar and former war-time Radio & Electronics Engineer who listens in to radio police calls, allowing him to stay one step ahead of the cops.