Sherlock Holmes hunts his deadliest adversary... The madman known as Jack the Ripper!

London, 1888. When Scotland Yard is unable to stop the gruesome rampage of Jack The Ripper, a citizens committee asks Sherlock Holmes (Christopher Plummer) and his trusted associate, Dr. Watson (James Mason), to investigate. The pair follows a terrifying trail of clues that includes a frightening psychic (Donald Sutherland), a suspicious inspector (David Hemmings), an institutionalized woman (Genevieve Bujold) and the Prime Minister of England (Sir John Guilgud). But even if Holmes and Watson's remarkable powers of deduction can unmask the maniacal fiend, are they prepared to face the most shocking secret of all? Anthony Quayle, Susan Clark and Frank Finlay co-star in this masterful suspense thriller directed by Bob Clark that both fans and critics have called the most exciting and original Sherlock Holmes movie ever made.