After an enigmatic, self-described pathologist rents the attic room of a Victorian house, his landlady begins to suspect her lodger is Jack the Ripper.
Something secret is going on. You may or may not be in on it. The main narrative sure isn't. Spoooooky.
Man on the run from a murder charge enlists a beautiful stranger who must put herself at risk for his cause.
A man in London tries to help a counterespionage agent. But when the agent is killed and the man stands accused, he must go on the run to both save himself and also stop a spy ring which is trying to steal top secret information.
After three British agents are assigned to assassinate a mysterious German spy during World War I, two of them become ambivalent when their duty to the mission conflicts with their consciences.
A beautiful blonde makes a career out of seducing and then blackmailing wealthy married men. She is found murdered after demanding a $5000 payoff from her latest victim, and the detective investigating the case finds out that she was involved in a lot more than just blackmail.
An insane hunter arranges for a ship to be wrecked on an island where he can indulge in some sort of hunting and killing of the passengers.
When the fabled Star of Rhodesia diamond is stolen on a London to Edinburgh train and the son of its owner is murdered, Sherlock Holmes must discover which of his suspicious fellow passengers is responsible.
Sherlock Holmes investigates when young women around London turn up murdered, each with a finger severed off. Scotland Yard suspects a madman, but Holmes believes the killings to be part of a diabolical plot.
Sherlock Holmes and Doctor Watson must protect a Swiss inventor of an advanced bomb from falling into German hands.