Casey and her friends have returned home to Justice but their homecoming is anything but sweet. Local teenagers are disappearing, and unexplained attacks are occurring all over town.

Winston, the enemy scientist with a grudge, is still alive, and continuing the work he started years ago. When his creations escape the laboratory, it's a race against time as these teens face their fiercest enemies yet in a fight to protect their homes.

In the final installment of the Chaos series, the Creatures must choose between who they are and who they can be, and the fate of Justice hangs in the balance.