Jack Morgan is on the run after being framed for a crime he didn't commit. He is hiding out in his uncle's spaceship on a remote, uninhabited planet when another spaceship crashes after a fierce battle. The only survivor is the K'da warrior Draycos, a dragonlike being who cannot live apart from a symbiotic relationship with a humanoid host. Teaming up to clear Jack, the boy and Draycos embark on a fast-paced chase across space and into danger.