A scientist’s groundbreaking experiment to accelerate human growth takes a horrifying turn when his creation develops faster – and deadlier – than he ever imagined. Starring Rock Hudson, Barbara Carrera, and Roddy McDowall, the film blends science fiction and horror in a chilling tale of ambition gone wrong. As the experiment spirals out of control, Embryo raises haunting questions about ethics, morality, and the dangers of playing God.

Spies discover that the Red Chinese have built a "doomsday machine" capable of destroying the surface of the Earth, and that they plan to use it within a matter of days.