Lucy Bailey is not a girl to take no for an answer. When she asks her friend Billy Wellington to help her rescue a stray dog, she has no idea of the potential repercussions. A serious crime is committed while Billy is absent from the children's home where he lives and, when suspicion falls on him, the police decide that the safest thing for everybody is to lock him away in a mental institution.
Lucy refuses to believe that Billy has done anything wrong, and enlists her cool-headed teenage brother Arnold to help. DI Daniel Earnshawe, who has his own doubts about the police's conclusions,...