After chasing the monster that kidnapped their mother, Emily and Navin find themselves in a magical world of man-eating demons and shadowy enemies, where they must learn to control an amulet given to them by their grandfather.

"Freddie Ruiz is cursed. While other people may have bad days, Freddie and his family have had bad generations: from bird poop splatting on him during picture day to the many tumbles and trips that earned him the nickname Faceplant Freddie. He's learned to lay low and keep himself out of trouble--which means no fun, no friends, and definitely no risks. But when he discovers a family heirloom, a century-old amulet from the Philippines that's supposed...

When Emily loses control of her Amulet, she is imprisoned in the Void, where she must escape the influence of the Voice, while her brother, Navin, travels to a space station where the Resistance is preparing to battle the approaching Shadow forces.