Dr. John Garth conducting an innovative medical experiment aimed at prolonging life and combating aging. The experiment takes an unexpected turn, placing the doctor in a confrontation with the ethics…

A Chinese detective breaks up a drug smuggling ring and tries to find the “Daffodil Killer”. The drug smugglers had devised the ingenious method of smuggling heroin from Hong Kong…

Paul Gregory (William Sylvester) is an accomplished composer despite his blindness, and his beautiful wife Anne (Barbara Shelley) seems to be the perfect supporting wife. But unknown to Paul, she…

A young boy is blackmailed by a crook who saw him unwittingly cause his friend’s death.

A reporter turned tax agent infiltrates a crime ring to catch a racketeer, working with the mobster’s bookkeeper. When she agrees to testify, an informant exposes them and she’s kidnapped.

A scientist successfully creates an invisibility serum, only to be kidnapped by a gang of thugs who wish to use the formula to rob a priceless jewel.

A Japanese man claiming to be Mr. Moto, of the International Police, is abducted and murdered soon after disembarking from a ship at Port Said in Egypt. The real Mr….

Gambler Arnold Rothstein marries an actress, avenges his buddy and meets an underworld fate.

Johnny Flanagan did not have the privileges of a good education or wealthy background but the streets developed his natural talent to be a great fighter. His enormous potential to…

Soon after a Chinese princess comes to the US to buy planes for her people, she is murdered by a poison dart fired by an air rifle.

Frank Bigelow is about to die, and he knows it. The accountant has been poisoned and has only 24 hours before the lethal concoction kills him. Determined to find out…

The story of an egotistical crime writer who gets involved with the case of a notorious art thief (who is believed to be dead) while at the same time romancing…