The Further Adventures of Sherlock Holmes - The Devil and the Four

SECRETS AND LIES
Sherlock Holmes's latest case takes him to Paris in pursuit of Marguerite Hardy: a Frenchwoman who fled her London home in mysterious circumstances. Holmes discovers she left after receiving a mysterious letter, containing an obituary and the words "four for the devil". Holmes's investigations will take him and his cousin, Henry Vernier, into a world of seduction and betrayal - and lead them to uncover a secret buried for over twenty years.