In the 22nd-century, the world has been divided into the western hemisphere and the forbidden lands of the eastern hemisphere. No one knows better than Jefferson Turck, a lieutenant in the Pan-American Navy, that entering the eastern hemisphere is against the law. However, during a terrible storm at sea, Turck is forced to take refuge in a land located within the forbidden zone. Turck is shocked by the unforgiving lands he finds himself in, and by the fearsome beasts that inhabit them.