The coroner may have ruled death by natural causes. but Sherlock Holmes knows there's something more sinister behind Sir Charles Baskerville's demise. The question is, could he really have fallen victim to the legendary phantom hound, the curse said to have haunted his ancestors for generations? Or is this the work of a very real and calculating murderer?

Whilst the seamy streets of London drown in a sea of smog, Sherlock Holmes sinks into a cocaine-induced melancholy, until Miss Mary Morstan presents him with a most intriguing case. A terrible death, an unknown benefactor, stolen treasure, and a secret pact between criminals stretching back to a mutiny-torn India, lead Holmes into an epic pursuit of the truth...

About to spring out upon my appalled senses, lurked all that was vaguely horrible, all that was monstrous and inconceivably wicked in the universe'. A dense yellow fog descends upon London. Tricksters, thieves and murderers stalk their prey undetected. Lawlessness abounds but it is no match for the penetrating mind of Sherlock Holmes as he investigates the strangest of cases. A woman receives a gruesome package - two human ears in a box. A vital government secret is threatened with exposure. Miss Brenda Tregennis is found scared to death - could she really have died from fright alone? And when the stability of the country is threatend, Holmes' unrivalled talents are called upon once again ...

A man like Sherlock Holmes has many enemies. Violent murderers, deviant villains, ghosts of old loves, blackmailers and poisonous scribes, to to name but a few. But none are so deadly, so powerful, as Professor Moriarty. Moriarty - the only man who can compete with Holmes' genius. The only man who can, perhaps, ultimately defeat the great detective ...

The one and only Sherlock Holmes is sensationally back from the dead, and devoting his life once more to examining the criminal complexities of the capital. Cases of mysterious codes, persecuted millionaires, stalkers, abductions and a meeting with 'the worst man in London' are all attacked with renewed vigour. But Holmes' old enemies are watching his every move. Watching, waiting, plotting...

Sherlock Holmes is intrigued and disturbed when he receives an ominous coded message: a Mr Douglas of Birlstone House is in terrible danger. Before Holmes can act, shocking news arrives. Douglas has been founded dead - his face blown off by a shotgun. Scotland Yard is stumped. Was this suicide or murder? But Holmes is in no doubt. For he recognises the calling card of his nemesis. Professor James Moriarty.