Robyn Goodfellowe and her father, Bill, have left England for Ireland where they are going to hunt the last wolfpack that lives in the forest.
Robyn is more adventurous and rebellious than her upbringing has allowed her to be. She sneaks into the forest and discovers a world she didn’t know existed. In the forest she meets Mebh, who has flaming red hair and is both mysterious and wild. Mebh is human during the day, but a wolf at night. Robyn understands that it’s not the wolves she should fear, but the people in the town. As her friendship with Mebh grows, Robyn realises she is becoming what her father was sent to obliterate.