Aged thirteen, Martha is rescued by the courts from the clutches of her evil stepfather, Jackser, and her feckless mother, Sally. After numerous arrests for shoplifting, a judge rules that she is to be sent to a convent school with the instruction that she is to get an education. Her initial relief at escaping the abuse and neglect she suffered at home is, however, short-lived, as she soon realises that there are many forms of cruelty in this life