When a raiding party from the city of Atlantis kidnaps a man and his two daughters for slavery, he contrives to bring about the destruction of the ruling class utilizing the powers of the mysterious crystal child.
A young woman takes a position as an assistant to an author in a sleepy English village not realizing that she will become embroiled in a complex plot involving madness and murder.
A psychotic convict escapes from jail, kidnaps his sister, and takes an American couple hostage in their seaside vacation home while planning his escape from the police.