The Hidden Identity
A Murder Is AnnouncedA fortune, a missing family history, and the traces of a neck operation reveal that the apparent Letitia is actually her sister Charlotte.
increasing
Bearing strength in each event
decreasing
The Goedler Inheritance

Money Behind the Threat
A Conditional Fortune
Letitia Blacklock explains that Randall Goedler left his fortune to her after Belle Goedler’s death. If Letitia dies first, the inheritance passes instead to Sonia’s children, known as Pip and Emma.
A Wider Field of Suspects
The inheritance gives unknown people a powerful motive to kill Letitia. Craddock realizes that the identity of Pip and Emma may matter more than the villagers’ assumptions.
The Missing Photographs

A Vanished Family Record
The Album Reopened
Craddock asks to see photographs of Sonia Goedler. Letitia and Julia Simmons locate an old family album, but the spaces marked for Sonia’s photographs are empty.
A Deliberate Removal
The missing images show that someone has been managing what the household can learn about the past. The album’s gaps deepen the suspicion that identities have been concealed.
Letters from the Past

A Sister’s Correspondence
Letitia’s Old Letters
Craddock finds Letitia Blacklock’s letters to Charlotte in an attic case. They describe Charlotte’s isolation, the family’s history, and Sonia’s turbulent engagement to Dmitri Stamfordis.
An Old Clue Reappears
The letters offer a clearer account of the sisters than the present household can provide. A reference to Charlotte’s goitre and treatment in Switzerland points toward a hidden medical history.
The Pearl Choker

A Necklace Under Strain
A Revealing Reaction
When Letitia’s familiar pearl choker breaks, her distress seems excessive for an ornament of little value. Craddock begins to wonder whether it conceals something other than sentimental attachment.
A Physical Clue
Jane Marple connects the pearls to the scar left by an operation for goitre. The necklace has helped conceal the identity of the woman wearing it.
Charlotte Unmasked

The Name Beneath the Necklace
The Sister’s Substitution
Jane Marple identifies the apparent Letitia as Charlotte Blacklock, who assumed her dead sister’s identity after the real Letitia died. The concealed scar and the private history explain how the fraud endured.
A Life Built on the Inheritance
Charlotte’s imposture was sustained by the hope of receiving the Goedler fortune. When the shooting and later murders threatened discovery, she became increasingly dangerous.
After Craddock questions Letitia about motive
After Dora Bunner’s death
During the search of the attic
After the pearls break during the police visit
At the final arrest