Applying the method of ratiocination to corroborate with evidence the claims made by Sherlock Holmes in his court filing against Sir Arthur Conan Doyle, private detective Auguste Dupin ‒ who was trained in his craft and the method of ratiocination by no one less than Edgar Allan Poe ‒ uncovers some salient facts concerning Doyle's treatment of his most famous creation.

A short story by Maxwell Conroe where detective Dupin supports Sherlock Holmes' claims against Sir Arthur Conan Doyle, revealing significant information about Doyle's treatment of his renowned character, narrated by Axel.