The Ascension marked a demon apocalypse that decimated the human race
and forced survivors into hiding. Sixteen year old Rebecca Ashford and
her younger sister, Errol, have spent the last year sequestered in their
family's tornado bunker. When the sound of a screaming baby wakes them
in the middle of the night, Errol attempts to save the infant and is
poisoned by a demon.
Now, Rebecca must trust a mysterious tracker named Fox to take them to a
survivor colony where they will learn how to save Errol's life. During
the course of her quest, Rebecca gains the ability to use
magic--specifically, the power to find lost or concealed items. Unless
she can defeat frightening monsters and learn to use her power to locate
the ingredients needed to cure her sister, Errol will die.