Where the mind games of Rita Repulsa and the fierce brutality of Lord Zedd have failed, perhaps the cold calculation of King Mondo and his Royal House of Gadgetry can succeed. Or if he fails, how about Prince Gasket and his own ambitious attempts to build an empire that will surpass that of his father? And never forget King Aradon and the other leaders of the royal houses that make up the monstrosity that is the Machine Empire.

With the end of his education, Billy is faced with the big question of what next? It could be his future lies not on Earth, but on another world.