Vega Jane has never left the village of Wormwood. But this isn't unusual, nobody has ever left the village of Wormwood. At least not until Quentin Herms vanishes into the unknown. Vega knows Quentin didn't just leave, but that he was chased. And he's left behind a very dangerous trail of clues that only she can decode. The Quag is a dark forest filled with terrifying beasts and bloodthirsty Outliers. But just as deadly are the threats that exist...

Seven years after the forest seemingly swallowed her brother whole, seventeen-year-old Jenny, whose story about Tom's disappearance has never been believed, sets out to finally say goodbye, but instead she is pulled into a mysterious world of faeries and other creatures where nothing is what it seems.