Clive Merrison and Michael Williams star as Holmes and Watson in the fifth collection of stories from the unique fully dramatised BBC Radio 4 canon

The Illustrious Client - An Austrian adventurer who corrupts young women proves one of Holmes' most evil adversaries in what Conan Doyle judged as one of his best stories.

The Blanched Soldier - Holmes works without Watson to help an ex-serviceman from the Boer War uncover a friend who has mysteriously disappeared.

The Mazarin Stone - One of the world's largest diamonds is stolen. To recover it, Holmes sits in 22IB Baker Street and waits to be murdered.

The Three Gables - Holmes faces a formidable female criminal and a gang of intimidators when he agrees to help the widow of an old client who has received an unusual offer to sell her house... and all its contents.