Double Sin by Agatha Christie

“Double Sin” is a short story written by Agatha Christie featuring her famous detective character, Hercule Poirot. It was first published in 1961 as part of a collection of short stories called “The Adventure of the Christmas Pudding” in the UK, and in the United States, it was published under the title “The Theft of the Royal Ruby” in the collection “Double Sin and Other Stories.”

In “Double Sin,” Hercule Poirot is approached by a young couple, James and Pamela Abercrombie, who seek his assistance. They believe that a valuable ruby, known as the “Lustre of India,” is in danger of being stolen from Pamela’s possession. The couple suspects that a mysterious and disreputable figure named Mr. Robinson is plotting the theft.

Poirot takes on the case and begins investigating the situation. As the story unfolds, Poirot uses his keen observational skills and deductive reasoning to uncover the truth behind the potential theft and the motives of those involved. The story builds suspense and mystery as Poirot works to prevent the crime from taking place.

“Double Sin” showcases Agatha Christie’s mastery of the mystery genre, with her characteristic twists and turns, clever plotting, and the intriguing character of Hercule Poirot. While it is a relatively short story compared to her full-length novels, it still provides an entertaining and satisfying mystery for fans of Agatha Christie’s work.