The greatest detective of them all is back...'There's the scarlet thread of murder running through the colourless skein of life, and our duty is to unravel it, and isolate it, and expose every inch of it'.

Arriving in the wilderness of London, Dr. John Watson finds himself lodging at 221b Baker Street with one Sherlock Holmes.

A corpse has been discovered and scrawled in blood across the walls is the word RACHE - revenge.

Watson is baffled by the case, but for Holmes the game is afoot...