Some of us are born to be magic. Aoife is an ordinary teenager, hanging out with her childhood friend Carla, putting up with school. But then, after chasing a lost little girl no one seems to be able to see, Aoife starts to develop mysterious powers.
Their human child was stolen by the fairies, and Aoife is the changeling left behind in her place. Together, they embark on a dangerous journey, which takes them deep into the underworld and changes everything they thought they knew about fairies.