Sherlock Holmes investigates an unusual case at a secluded, moated English country house.

After a nuclear attack Hugh Farnham and his family are transported into the future through a fluke nuclear blast. They find themselves in a world where black and white roles are reversed and whites are kept as slaves.

In 2015, Earth has become overcrowded and unruly due to a half-century of unsavory social changes. Billionaire Johann Sebastian Bach Smith is quickly dying. Desperate to live, he offers a million dollars for the body of a brain-dead person so that he may transfer his brain to the new host and live on. However, when his assistant Eunice Branca is murdered, Johann takes her body. Now a woman, the rechristened Joan Eunice Smith must coexist with Eunice's...