Dr. Damon is heading to Paris to lecture on psychology where he illustrates the powers of hypnosis. Returning early discovers his wife with another man, painter Charles Dyson. He decides to hypnotise him and get his wife to kill him.
Tommy Carter and girlfriend Julia Benton consider themselves part of the jet set. Money, however, is in short supply. Julia suggests Tommy fake his death in a car crash. When Julia gets the insurance Tommy finds himself out in the cold.
In Manchester, recently released convict Dickie Miller murders Arnold Brockley in an act of revenge. Brockley's pals Rusty and Dylan decide to take the body, on the overnight train, to London and fit up Miller unaware he is watching them.
While in Monte Carlo, June Belmont is invited by Carlos Rodrigues to join him at the roulette table. June brings Carlos luck and they become partners. When Bob Carter arrives he attempts to get June away from her addiction.
Simon Graves is privy to a gold strike in Welcome Stranger Mine, in South Africa and makes a killing. Harry Bancroft invest but loses a fortune. A newspaper article exposes Graves insider trading and he starts getting threatening letters.
Newspaper editor Albert Lake sacks his assistant Larry Spence after passing a story to the Courier. Spence blackmails Lake's mistress Marie Dickson but strangles her. When Lake plays down the murder in the Sentinal, Spence blackmails him.
Street artist Socrates Smith and Detective Mark Tower are unlikely friends. Tower is on the trail of burglar Longhair. During one robbery, Tower falls for Lady Carol. When she receives his love letters there can be only one suspect.
Helen and Clive Parker's honeymoon in the jungle turns into a nightmare when she is attacked by a jaguar. Fearing she will be scarred forever he disappears from her life. Two years on Helen is determined to track him down.
Promoter Robert Parker and his choreographer wife Audrey are offered the chance to take displaced person; Maria Beleska. They groom her for stardom but as Robert falls for her a jealous Audrey schemes to kill her.
John Philmore is married to Laura and lavishes her with expensive gifts. A sudden short fall of cash leaves him needing to use her jewelry as collateral but they are now paste. Laura is being blackmailed but it's for murder.
District Commissioner Clive Hastings sentences Tuah Ohe to ten years in jail. He promises revenge. Later that day Hastings and his son are left paralised by a poison. His wife has to make a choice over which one she gives the antidote to.
The three Hadley sisters live with their grandfather. Dorothy and Bess are attractive and have many suitors. Older sister Gwen is plain and so decides to make up a romance. When Paul finds her secret he decides to blackmail her.
A reporter is sent by a London newspaper to interview the sister of a celebrated author.
Top newspaperman Harry Brandon gambles on get rich quick schemes that are constantly failing. One night he sees two men hiding loot stolen. Lord Leighton tells him that his wife is thief and the jewelry is stolen and offers a finders fee.
A car crash, that killed her husband, left Mrs. Steel paralysed. The only thing she has left to live for is her son John. When he marries Carol, she works to break up their marriage. Finally snapping, Carol decides expose her as a fraud.
A ham radio operator picks up a voice transmitting in code some unauthorized information. Later, at a party, he hears the same voice.
A gunman bursts into the home of Julia Benton, the widow of a judge. He is waiting for Harry Christie. When Christie arrives he has just received a pardon from prison and blames her for his wife's death. He now intends to retry the case.
Geraldine Munsen is a nasty person who wants to have the perfect wedding to Peter Granger. The night before he is sent a bunch of old love letters but she threatens to expose his secrets if he doesn't show. Geraldine is later found dead.
Crime boss Vince Menotti has never been convicted of a crime and thought he was invincible. When Tom Duggan escapes jail, during thick fog, Menotti is unable to flee the country. Still recovering from a broken leg he is now a sitting duck.
An ever- quarreling, long married couple take a holiday in the mountains, where the wife seeks to take revenge on her husband, whom she believes cut short her concert career.
Businessman Tom Walker is angry his young wife Claire is friendly with Barney Todd rather than new contact. Tom wants a divorce. So he pretends to go to Paris but instead sneaks back to murder Claire and makes it look like it was Barney.
Fred Harris is distraught when his wife Martha fails to return from an outing. When the church roof money is stolen it looks like Martha has taken it. Next Mabel Scott is found murdered. The common denominator appears to be Fred Harris.
Ellen Colman finds herself alone in Paris. Charles Kleber offers to show her the sights. When Kleber visits. the pair they plan to murder her husband and marry. Back in Paris she learns she is his next victim so needs to kill him first.
Bill Kent stumbles on a package of diamonds from an air wreckage and tries to sell them illegally through his wife's lover.
A difficult case of blackmail appears closed to Mark Saber when a victim is found drowned in her swimming pool. The evidence points to murder.
Captain Edge reports, to the police, two men disposing a body on the sea bank. When the body can't be found his granddaughter asks Mark Saber for help. Saber and assistant Paul Paulson find the body and believe the suspects are locals.
Texan Mr. Dugan, asks Mark Saber for help, when he is cheated out of £4,000, when he bought a fake painting by Ambroise Martin. To prove art dealer Guthrie is selling fakes Pete Paulson goes under cover as a rich American.
Ray Prentice has a shadow on the lung and has just three months to live. With an insurance policy about run out without a medical, he decides get a hit-man to kill him. When he learns the doctor made an error he needs Mark Saber's help.
An argument over a priceless stamp turns to murder when a stamp dealer is found dead in his office. A rival collector is accused of the crime and the theft of the rare stamp. But when he arrives at Saber's office asking for help to clear his name, Saber must determine if he is helping an innocent man being played for a fool.
Colonel March asks Mark Saber for help. His friend Major Beanie is wheelchair bound and not been seen four days. His niece Marsha has vanished. Saber learns Marsha is a big spender and soon caught trying to forge her uncle's cheque.
Following a car crash, that killed three friends, Julie Forbes' father sends her on a sea voyage to Naples. During the trip, Julie appears to be going mad when she claims to see a man murdered. Nobody believes her except for Mark Saber.
Accountant Roger Shore asks Mark Saber for help when his 8-year-old son Peter has been kidnapped. He is told to pay £1,000 but misses his contact. Saber stands in but discovers it is Shore making the calls and there is no kidnapping.
George Peters leaves a trunk in an exclusive London hotel. When the maid opens the trunk she finds a dead body. Fearing bad publicity the hotel asks Mark Saber for help. He learns Harry Quinn has gone missing and his bank account emptied.
In an audacious daylight robbery an £8000 payroll is stolen from the Diamond Manufacturing Company. When notes taken from the heist begin to appear in circulation and two of the alleged robbers turn up dead, Saber must act quickly before anyone else is murdered.
John Bellville rings Mark Saber but falls unconscious. Saber finds Kitty Bellville dead and John fighting for his life following arsenic poisoning. Harrison Kane comes forward to say he give them the wine. Saber must find the truth.
Wells is accused by Mr. Rodney of fiddling the books. He has to the owner Mr. Westcott returns to get the money. Later that day he finds John Brading dying in the street and decides to take his identity unaware he is a wanted murderer.
Kathy Lansing dies in a car crash. She had a large diamond set in a cheap jewelry. The police think she may part of a smuggling ring alongside fiancee Tom Weeks. Saber knows her sister Jean so he speaks to Weeks but he is also murdered.
Petra Tomulkin is set for a secret meeting with her father but he is kidnapped in an Uranium embassy car. Mark Saber needs save Professor Franz Tomulkin but has to find a way inside the embassy before they torture him to death.
Tim Shute loans his flat to his friend Fred Bassett, who is using it for an all night poker game. When Shute returns home he finds Bassett has been stabbed to death. Instead of going to the police his asks Mark Saber to find the murderer.
Mr. Poole asks Mark Saber to help his wife while he is on a trip to Paris. She has been diagnosed with a terminal illness and he fears she make commit suicide. When Saber arrives at their flat she is dead but it soon looks very suspicious.
Two thugs badly beat up Mark Saber and warn him off the Pickard Case. Saber has never heard the name. The police tell him Amy Pickard has committed suicide. Next day, Jean Pickard visits Saber and asks him to solve her sister murder.
Freddy Benson steals diamonds smuggled in from Amsterdam and leaves the courier for dead. The courier reaches former Sir George Royston but dies. Royston has been in prison so decides to ask Mark Saber for help rather than the police.
John Perry is arrested for the murder of Howard Armstrong. He is engaged to his niece Julia, who asks Mark Saber for help. Housekeeper Mrs. Frost worships Armstrong and wants Perry to hang. She later admits Armstrong committed suicide.
Mrs. Kraft finds the body of Mrs Ridley, the companion to neighbour Mrs. Verity. Mark Saber learns Mrs. Verity has just died and Mrs. Ridley was set to be the main beneficiary. Mrs. Verity's family are now jockeying over who benefits most.
Sir Thomas Winters begs Mark Saber for help. He says he is haunted by the Curse of Eye Halwara and claim he has actually seen it. His family believe he's going out of his mind. Saber learns that the family will all benefit from his death.
Joe Kelly meets Kathleen Grant to ask about his fiancee Jane's suicide. He believes that Jane's father, Uncle William is lying and asks Mark Saber to get to the truth. He learns that Kathleen has now inherited Jane's money worth £100,000.
A caretaker, Dumphy throws a brick at a thief running away. The thief is dead but only has a lighting fixture on him. The dead man's is Albert Taff, a bank guard who suddenly quit. Mark Saber learns lighting fixture is made of platinum.
Fred Winchell has just been released from prison. Tom Brent offers him the chance earn £50,000. All he has to do is give Tom and his wife an alibi when he leaves to murders his aunt. The local inspector is foxed and asks Mark Saber help.
Mr. Shaw is an house builder who has been hit by a string of arson's. He fell out with the fire service and asks Mark Saber to find the culprit. Mrs. Walston was sacked from Shaw's and she told her son Chester, who set fires in revenge.
Amy Kubrick visits London to see the editor of the Daily Echo. They printed a picture of a man she recognised. He is Mason Crowder and later confronts him. Next day she is found strangled. The editor recognises her and tells Mark Saber.
Businessman John Adams wife Stella has weaponised her heart attack to be spiteful. Adams is meeting actress Betsy Linton. His designer Lynch, wants him to let him out of of his royalties deal. When Adams is shot, Betsy needs Mark Saber.
Gang member wants out and is beaten to death for it. When the case goes cold after a month, Sabre gets the job.
After a man aggressively bargains for a uninteresting jewel case, Mark Spencer must find out the significance of the jewel cases after an antiques dealer is found dead.