In the aftermath of another bomb - with their lives in grave danger - Holmes and Mary formulate a tactical plan to catch the killer. But can they outwit the devious mind behind the bombs?
Starring James Fox as Holmes, Shaun Prendergast as Watson, Monica Dolan as Mary Russell and Sian Thomas as Donleavy.
Laurie King's witty and humorous homage to Sir Arthur Conan Doyle - dramatised by Shaun Prendergast.
Directed in Manchester by Melanie Harris
First broadcast on BBC Radio 4 in 2000.