An American woman arrives in Hong Kong to unravel the mystery of her missing photographer husband. After getting nowhere with the authorities, she is led by some underground characters to an American soldier of fortune working in the area against the Communists. He promises to help find her husband.
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 who his murderer is, Frank, with the help of his assistant and girlfriend, Paula, begins to trace back over his last steps. As he frantically tries to unravel the mystery behind his own impending demise, his sleuthing leads him to a group of crooked businessmen and another murder.
The Daily Clarion hires detective story writer Steve Colt to investigate the deaths of a group of scientists working on an atomic rocket development project. Behind the killings is fortune teller Sombra, a spy from an Asian country intent on world domination, who is determined to pilfer the atomic rocket by luring workers from the project to her parlor and killing them with black widow spider venom when they refuse to cooperate.
For Miranda Wells, moving to New York to live in Dragonwyck Manor with her rich cousin, Nicholas, seems like a dream. However, the situation gradually becomes nightmarish. She observes Nicholas' troubled relationship with his tenant farmers, as well as with his daughter, to whom Miranda serves as governess. Her relationship with Nicholas intensifies after his wife dies, but his mental imbalance threatens any hope of happiness.
