Scotland Yard detectives attempt to solve a spate of safe robberies across England beginning with clues found at the latest burglary in London. The film is notable for using a police procedural style made popular by Ealing in their 1950 film The Blue Lamp. It is known in the US as The Third Key.
An estranged wife shows up after a nearly 7 years of disappearance -- thought to be dead, to prevent her husband from marrying his new love until someone kills her.
A young woman goes in search of her father, a professional gambler who abandoned her years before. Along the way, she finds herself at odds with her boyfriend who wants nothing but a carefree lifestyle.
When half a million dollars disappears from a doctor office's safe, the cops assigned to the burglary case, Joe and Pete, decide to find the money and keep it for themselves.
In a series of flashbacks, shows that attorney John Morland has given a lift to a hitchhiker who turns out to be a murderer. As a result, Morland himself is implicated in a killing. A pair of detectives discover that Morland has been having business problems and no end of difficulties with his wife Catherine. The trail of clues leads to a surprising revelation.
When a troupe of showgirls with their impresario and press agent vacation at a Malibu Beach resort, two of them are garroted. Charlie takes on the case assisted by Number Two Son Jimmy and faithful chauffeur Birmingham Brown.
On a cruise ship from Honolulu to San Francisco, the famous Chinese detective encounters four more murders while trying to figure out the murder of a Scotland Yard friend.
A manipulative diva blackmails a married man and insults her secret lover, leading to her murder. As the husband tries to cover his tracks, the lover sabotages him and suggests turning the case into a TV show episode.
Clarinetist Stan has a nightmare about killing a man in a mirrored room. But when he wakes up and finds blood marks on himself and a key from the dream, he suspects that it may have truly happened.
Gertie Waxted knows how notorious gangster Jim Crelliman runs his rackets, because she's long been under the hoodlum's thumb. She's secretly helping lawyer Jackson Durant in a snoop job aimed at pinning a murder on the thug. Her life will be in peril when that secret gets out.
Convict Van Duff engineers a large-scale prison break; the six survivors hide out in a forgotten mine working near the prison, then set out on a long, dangerous journey by foot, car, train and truck to retrieve Duff's bank loot. En route, as they touch the lives of "regular folks," each has his own rendezvous with destiny.
Gadget is still a klutz and Dr. Claw has a vicious new plan that makes him a super-hero in disguise to try to ruin Gadget and to take over the world, but as usual Gadget in his zany ways wins.
A man and a woman are on the run from gangsters whom he has stolen $12.5 million. When the gangsters show up, he takes them supposedly to where the money is hidden but instead leads them into a trap at a backwoods crystal-meth factory. The gangsters and the drug dealers start a shoot-out for unknown reasons and both go gunning for Belushi. Meanwhile an unscrupulous cop is secretly having an affair with the girl friend and planning to make off with the money.