The sentient planet, Tyrea, is in danger. Unaware of the problem, Jon Tor is happy in doing work that he loves but knows something terrible has happened on his home planet when he is kidnapped, injured, and flees for his life. He desperately needs to save not only his family but his entire planet. Friends, on and off the planet, gather to help him survive the struggle to get home in time. He is facing an additional problem because he needs to survive long enough in order to put himself into the hands of his enemy. The two men must come together to battle for the right to rule.