In the midst of the fog, Biron Farrill is just finishing his studies on Earth when he receives the news that his father, the lord of Widemos, has been killed by the Tyranni. The Khan of the Tyranni suppresses the planets in his small star empire through intrigue and assassination. Farrill's life is now in danger as well. Together with his friend Sander Jonti, he manages to escape from Earth. There are many indications that a secret underground organization exists that wants to overthrow the Tyranni. Together, Farrill and Jonti set out in search of the rebels...