Best friends Sophie and Agatha find themselves on opposing sides of an epic battle when they’re swept away into an enchanted school where aspiring heroes and villains are trained to protect the balance between Good and Evil.

A westerner named Casey, studying Ninjutsu in Japan, is asked by the Sensei to return to New York to protect the legendary Yoroi Bitsu, an armored chest that contains the weapons of the last Koga Ninja.