Cassy, a teenage girl, lives with her Nan. She knows nothing about her father, and asks no questions. Nan says it's better to keep quiet. Suddenly she is packed off to stay with her beautiful, feckless mother, Goldie. Cassy discovers Goldie with her boyfriend and his teenage son, living in a squat. They are producing a play on Wolves. As Cassy becomes more involved in the production, she begins to sense a terrifingly real wolf stalking her. Gradually, Cassy learns the awful truth about her father and his involvement in a bombing campaign.