Eccentric consulting detective Sherlock Holmes and Doctor John Watson battle to bring down a new nemesis and unravel a deadly plot that could destroy England.
A German spy named Von Bork has been in England since 1910. Through several agents, he has gathered a significant amount of information relating to the British armed forces and foreign policy.
Hilton Soames, a lecturer in Greek at a university, notices that someone has gone into his study and looked at the text for an unseen translation exam that is due to take place the next day.
Susan Cushing asks Holmes' help in solving the disappearance of her sister Mary Browner, but it doesn't seem Holmes' type of case until he is told of a Christmas present's grisly contents.
In the midst of World War II, Sherlock Holmes rescues the Swiss inventor of a new bomb-sight from the Gestapo and brings him to England, where he quickly falls into the clutches of the evil Professor Moriarty.
Popular movie trailers from 1921
These some of the most viewed trailers for movies released in 1921:
Two men, Philip Whittemore (Henry B. Walthall) and Thorpe (Harry Northrup) both go to the Northwest to gain the right-of-way for their railroad company from D'Arcambal (Emmett King).
In 1840 Scotland, a young lass named Babbie revels in the country life and frolics with the locals, simple weavers whose livelihood is threatened by increasing industrialization.
After her drunken husband Tom brings home three cabaret women, Lucretia can no longer bear the abuse and turns to Arctic explorer Frank, who has long loved her and promised to come back to her whenever she needs his help.