Leo and April could barely stand in the same room without wanting to rip each other's heads off. But things get out of hand when, upon discovering two magical rings in the school's time capsule, both of them realize their magical abilities. To her horror, April is bound to Leo's every wish and command as long she wears the ring. As for Leo, he was ready for to teach her a lesson.

The Unit, a secret organization that prepares gifted individuals for combat, has been warned that earth was doomed to catastrophe. The humans were under attack from extraterrestrial invaders, and it was their job to train people like Nala, who could do extraordinary things, to defend humanity and its freedom. Soon the sixteen year old finds herself in the middle of a global war.