Join us on a thrilling journey as Harry Wethermill, the prodigious young scientist and inventor, takes a much-needed break at Aix-les-Bains. Here, he encounters the enchanting Celia Harland, a companion to the venerable Madam Dauvray. Their budding romance is observed by Julius Ricardo, a retired financier seeking tranquility in Aix. However, peace is shattered when Madam Dauvray is found brutally murdered, with suspicion falling heavily on the now missing Celia. Upon Wethermills desperate request, Ricardo ropes in his friend Inspector Hanaud, the renowned Parisian detective, to unravel this twisted mystery. As Hanaud steps in, he must navigate through a maze of deception and betrayal. Will he be able to solve the case? What will be the fate of Harry Wethermills love? Tune in to find out. The story of Inspector Hanaud, often compared to Agatha Christies Hercule Poirot, is a riveting tale that will keep you on the edge of your seat.