The story takes place in 1917. Véronique is a young woman of 35 years, nurse at the military hospital of Besançon. She suddenly learns of the murder of her husband, the mysterious Count Vorski, whom she has not seen for fourteen years. Her research will also lead her to the track of her father and son whom she believed to have died in a shipwreck, already a long time ago. From clue to clue, here we are in Brittany, on this island with a name so ill-fitting... Brutal deaths, enigmatic words written... by whom? A frightening prophecy, the superstitious terror of the island's inhabitants, and suddenly, Veronica d'Hergemont can no longer leave this island. She's stuck alone. Almost alone...
Then the spirit of Jack the Ripper seems to be very much alive in 1960s London as a series of brutal slayings by the Monster of London City has Scotland Yard baffled. In a macabre coincidence, a new play about the famous murderer is about to become a major West End hit... and the leading man is rapidly becoming the prime suspect!
A 5-year-old child is diagnosed with leukaemia and has only days to live. Her only hope is a blood transfusion, but her blood type is extremely rare, so the race is on to find the donors.
A killer called 'The Dark Man' commits double murder. This is witnessed by the young aspiring actress Molly Lester. The Dark Man tries everything to put Molly out of the way. Detective Inspector Viner of Scotland Yard investigates the murders.
London, 1929. Frank Webber, a very busy Scotland Yard detective, seems to be more interested in his work than in Alice White, his girlfriend. Feeling herself ignored, Alice agrees to go out with an elegant and well-mannered artist who invites her to visit his fancy apartment.
A couple vacationing in Morocco with their young son accidentally stumble upon an assassination plot. When the child is kidnapped to ensure their silence, they have to take matters into their own hands to save him.
Grisly strangulations in London alert Nayland Smith of Scotland Yard to the possibility that fiendish Fu Manchu may not after all be dead, even though Smith witnessed his execution. A killer spray made from Tibetan berries seems to be involved and clues keep leading back to the Thames.
Rival gangsters from Chicago move to London and attempt to extort money from rich Britons.
Sandra Carpenter is a London-based dancer who is distraught to learn that her friend has disappeared. Soon after the disappearance, she's approached by Harley Temple, a police investigator who believes her friend has been murdered by a serial killer who uses personal ads to find his victims. Temple hatches a plan to catch the killer using Sandra as bait, and Sandra agrees to help.
The owner of a coal mining operation, falsely imprisoned for fratricide, takes a drug to make him invisible, despite its side effect: gradual madness.
The murder of a museum curator places art dealer Jack Saunders under suspicion for selling forged treasures to museums. When Jack suddenly dies in a car crash, his wife Adrienne tries to discover what he did on her own. She finds that she knew little about the man she was married to. The more she learns about her husband's possible illegal activities and double life, the more she places her daughter, and herself, in grave danger.