This is the story of the invention of penicillin and the scientists behind the work. The main character, Howard Florey, races against time to create his magic bullet that will ultimately save the lives of thousands of soldiers during the second world war and win him the Nobel prize. It is a story of intrigue, suspense and bitter rivalry, set mainly in Oxford, England during World War II.

On Jupiter's moon Ganymede, an alien life-form has taken over the body of a human astronaut, creating an almost perfect copy. It then begins the long return journey to Earth.

A Russian countess stows away in the stateroom of a married U.S. diplomat bound for New York.

Alan Roper tells Bookie Larry Hart that he is planning to steal £60,000 and Hart offers to launder the money for him. What Hart doesn't know is that it is actually his money Roper intends to steal.