When her parents died, Alex thought things couldn't get much worse, until the doctors found the monster in her head. She headed into the wilderness as a good-bye, to leave everything behind. But then the end of the world happened, and Alex took the first step down a treacherous road of betrayal and terror and death. Now she discovers a new and horrifying truth. The Change isn't over. The Changed are still evolving. And, they've had help.