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:
When her father, an indigent artist, dies, Sylvia Lacey goes to live with her Aunt Martha and her uncle, Judge Trent, in New England, where she is unwanted and humiliated.
Buck, who is preparing to enter a theological seminary, aids his brother and some friends who are fleeing from justice, and thus implicated he is sent to prison for 2 years.
Snub is an street sweeper with OCD, living in a neighborhood full of fussy people. He is sweeping the street when he anticipates a cop who is about to throw some litter into the road and dashes over to catch it in his cart.