For years, a blackmailer has been preying on the weaknesses of others throughout London. When Holmes hears of the utter misery this mystery man is creating, he adopts a campaign to thwart his evil scheming. The campaign astonishes Dr. Watson by its strangeness and finds Holmes falling in love.

Michael Shayne mystery involving counterfeit tickets at a race track.

After two women poison the blackmailer who has been tormenting them, they wind up at the house of a blind man whose eccentric guest believes he has built a working time machine. Soon, the blackmailer is back to torment them all.

Genial shopkeeper Philip has to endure the constant nagging of a shrewish wife while he secretly yearns for a pretty young stenographer. When the henpecking gets to be too much, Philip murders his wife and manages to make her death look like an accident. A ruthless blackmailer and a low-key detective both discover Philip's secret, and he has to decide which of them poses the more dangerous threat.

A female blackmailer with a disfiguring facial scar meets a plastic surgeon who offers her the possibility of looking like a normal woman.

When a priest hears a murderer’s confession, he becomes bound by his vow of silence—even as circumstantial evidence turns suspicion toward him. Torn between faith and self-preservation, he faces public scandal and trial for a crime he cannot reveal the truth about.

A convicted female blackmailer is found murdered in her flat and suspicion falls on three men, all of whom the police believe may have had reason to wish her dead

Sherlock Holmes investigates when young women around London turn up murdered, each with a finger severed. Scotland Yard suspects a madman, but Holmes believes the killings to be part of a diabolical plot.

Taking his kids to school with the car, Berlin real estate developer Karl gets a call from a blackmailer: If he doesn’t pay up, the car will blow up. A deadly race against time begins.

A successful mod photographer in London whose world is bounded by fashion, pop music, marijuana, and easy sex, feels his life is boring and despairing. But in the course of a single day he unknowingly captures a death on film.

Teenagers in an old mansion are being murdered one by one. The survivors must discover who among them is the killer before they're all finished off.

In the town of Cutter, most people keep to themselves. But when John comes home to find his girlfriend missing, he sneaks into his neighbor's house, finding his girlfriend and several other kidnapped people tied up in the basement. When the neighbor come home, John is forced to get out of the house alive and lead the group to safety.