Chapter 1: The Death of a Lady
* Summary: Lady Helen Blakeney, a renowned beauty and society figure, is found dead in her locked bedroom. The police initially suspect suicide, but further investigation reveals signs of foul play.
* Real Example: The case of Evelyn Waugh, an eccentric British aristocrat who died in her bedroom under mysterious circumstances.
Chapter 2: The Mysterious Stranger
* Summary: Inspector Alleyn investigates the case and discovers a mysterious stranger who had recently been seen in the vicinity. The stranger is identified as Charles Enderby, a man with a shadowy past.
* Real Example: The case of John Christie, a British serial killer who murdered several women in his home.
Chapter 3: The Suspects
* Summary: Alleyn interviews the household members and other suspects, including Lady Helen's husband, Sir George, her daughter, Frances, and her friend, Claudia Caswell.
* Real Example: The case of Charles Lindbergh, an American aviator whose son was kidnapped and murdered in 1932.
Chapter 4: The Path to Truth
* Summary: Alleyn uncovers a complex web of relationships and hidden motives among the suspects. He follows various leads and examines forensic evidence.
* Real Example: The case of the Zodiac Killer, an unidentified serial killer who terrorized the San Francisco Bay Area in the 1960s.
Chapter 5: The Motive
* Summary: Alleyn pieces together the puzzle, revealing the true motive behind Lady Helen's murder. It involves greed, jealousy, and a twisted desire for revenge.
* Real Example: The case of O.J. Simpson, a former American football player who was accused of murdering his ex-wife and her friend.
Chapter 6: The Unmasking
* Summary: Alleyn confronts the killer, who confesses to the crime, providing a chilling account of their actions and motivations.
* Real Example: The case of Jeffrey Dahmer, an American serial killer and cannibal who confessed to killing 17 young men.
Chapter 7: The Aftermath
* Summary: The consequences of the murder and its exposure are explored. The characters involved face justice and grapple with the emotional and psychological toll of the tragedy.
* Real Example: The case of the Boston Marathon bombing, which resulted in the deaths of three people and the injuries of hundreds more.