Emily has lost control of her Amulet and is imprisoned in the
Void, where she must find a way to escape the influence of the
Voice. Meanwhile, Emily's brother, Navin, travels to Lighthouse
One, a space station where the Resistance is preparing to battle
the approaching Shadow forces that would drain planet Alledia of
all its resources. Emily and Navin must be smarter and stronger
than ever to ensure Alledia's survival.