In a star system on the other side of our galaxy trouble is brewing as the forces of evil slowly encircle the last vestige of a once great empire. Princess Solal, the only child and heir to the throne of King Thorgon, is taken prisoner in an attempt by the overlord Urgon to force the hand of his brother into relinquishing his throne . . . Only one man stands between the dark overlord and the domination of our galaxy, Kel, a young scientist and inventor . . . Kel's earthly woes are soon left far behind as his homebuilt spaceship cruises toward an uncertain future,