Sherlock Holmes and Dr. Watson meet as boys in an English Boarding school. Holmes is known for his deductive ability even as a youth, amazing his classmates with his abilities. When they discover a plot to murder a series of British business men by an Egyptian cult, they move to stop it.

Nicholas Rowe
as Sherlock Holmes

Alan Cox
as John Watson

Sophie Ward
as Elizabeth Hardy

Anthony Higgins
as Professor Rathe

Susan Fleetwood
as Mrs. Dribb

Roger Ashton-Griffiths
as Det. Sgt. Lestrade

Matthew Ryan
as Dudley's Friend

Earl Rhodes
as Dudley

Freddie Jones
as Chester Cragwitch

Patrick Newell
as Bentley Booster