Fae, short for Faeryn, was a normal girl. She lived in Crystal City after the apocolypse with her father and everything was normal. But, soon after Fae reads a book about what lies beyond the city walls, strange things start happening. Weird animals from the books she has read about start coming to life and following her. Even stranger, a new girl at school seems to know about it and has a mysterious secret. One day when the government capture her, she realizes the truth of her world, and what she has to do to save it.