When the Galactic Patrol squad head out to investigate the news about Boskone going to Planet Velantia and are attacked by a weird group of leeches, they are rescued by a dragon warrior named Worsel.

The young Kimball Kinnison is leaving home for a wider education when a Galactic Patrol ship crashes on his family's land and the dying pilot gives him a mysterious Lens. Half-sentient, the Lens now ...