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

The Priory School - A young aristocrat disappears from his preparatory school in Yorkshire and the panic-stricken headmaster asks Holmes for help. The answer is closer than anyone thought.

Black Peter - A retired whaling skipper is pinned to the wall by his own harpoon and Holmes attempts to spear a pig's carcass in order to find the killer.

Charles Augustus Milverton - Holmes gets engaged and witnesses a murder as he follows the trail of Milverton, the king of all blackmailers and one of the most insidious villains in London.

The Six Napoleons - All over London, plaster busts of Napoleon are being smashed. Is it the work of a monomaniac or is there a method to the madness?