Eleven years after the greatest explosion on Earth, Mike Stout is hunted by an alien assassin. Can another alien, a rebel, keep him alive to save the world? Or will saving his cat and three friends from a corrupt sheriff risk it all?

Following a blast that killed his mother and brother, Mike wakes up as an orphan. Now having to fend for himself, he goes to work for his friend Charlie's dad. But Charlie's family have a secret and Mike's presence jeopardizes their future.

When a rebel from the same planet as the assassin adopts him and takes him to her base under Fort Niagara,...