The kids from the private school for troublemakers come and want to be in charge. Most kids from the public schools want Sam to be in charge because Sam saved kids in the past. Sam doesn't want to be in charge. But Caine from the private school does.
They meet a girl named Lana who is from the city and has healing powers. Lana was found when coyotes are trying to attack her. Sam and a bunch of other kids realize that they too have powers.
Caine turns out to be evil and Sam's secret twin brother, so Sam and Caine have a big battle on the day that they're supposed to disappear. Both boys fight the thing that tries to make them disappear. Sam wins and Caine goes off into hiding with his comrades.