''At the Villa Rose' is a captivating detective novel written by the British author A. E. W. Mason in 1910. It marks the debut of his character, Inspector Hanaud. The story unfolds against the backdrop of Aix-les-Bains, a picturesque French town. Here's a glimpse into the intriguing plot: The Crime: A wealthy widow named Mme Dauvray is found murdered at the Villa Rose. Her valuable jewels have vanished, and her maid, Hélène Vauquier, lies unconscious, chloroformed, and bound. The Suspects: Suspicion falls on Mme Dauvray's young English companion, Celia Harland, who has mysteriously disappeared. Celia is in love with a fellow Englishman, Harry Wethermill, who pleads with Inspector Hanaud to prove her innocence. Spiritualism and Deception: Mme Dauvray was fascinated by spiritualism, and Celia's role included staging séances for her. But beneath the veneer of mediumship lies trickery. The Cunning Criminal: Enter Adèle Tacé, a seasoned criminal who arrives in Aix with the intent to steal Mme Dauvray's jewels. She goads the widow into holding a séance, where Celia is expected to perform while bound hand and foot. The Unexpected Twist: Celia becomes a prisoner during the séance, and her life takes a dark turn. The true identity of the murderer remains shrouded in mystery. Abduction and Pursuit: Celia is abducted and taken to Geneva, kept alive only to reveal the hidden location of the stolen jewels. The Unraveling: As the investigation unfolds, Inspector Hanaud navigates deception, love, and betrayal to unmask the killer. 'At the Villa Rose' weaves together elements of suspense, illusion, and human frailty, making it a compelling read. The novel's success led to adaptations as a stage play and several films.'