Early in his crime-solving career, Sherlock Holmes attempts to prevent Moriarty from cornering the heroin market.

Top Cast

James D'ArcySherlock Holmes

Roger MorlidgeDr. Watson

Vincent D'OnofrioMoriarty

Gabrielle AnwarRebecca Doyle

Richard E. GrantMycroft

Nicholas GecksInspector Lestrade

Struan RodgerBen Harrington

Peter-Hugo DalyHenry Coot