When Mary and her teenage son, Fergal, move to yet another new home, it soon becomes clear they live their lives on the run, hiding from someone or something, terrified of being found. Their hunter, Cathal, soon picks up the trail. Intent on tracking Mary and Fergal, he will go to any lengths to succeed in his quest, often using dark arts to aid him. Mary’s only defence is to use an ancient form of her own magic to protect her only son. When local residents begin to be brutally murdered by an unknown life force, the sense of fear escalates. Is Cathal the beast responsible for the killing? Or is it the beast that he is trying to destroy?

For centuries and across cultures, parents have warned their children of the legendary Bagman, who snatches innocent children and stuffs them into his vile, rotting bag—never to be seen again. Patrick McKee narrowly escaped such an encounter as a boy, which left him with lasting scars throughout his adulthood. Now, Patrick’s childhood tormentor has returned, threatening the safety of his wife Karina and son Jake.

In the future, a strange fungus has changed nearly everyone into a thoughtless, flesh-eating monster. When a scientist and a teacher find a girl who seems to be immune to the fungus, they all begin a journey to save humanity.