The show is about the Bannon family, who all have strong spy links. The parents, Dirk and Talia, were once arch enemy spies, but fell in love and got married. They now have three children who have all been brought up with spy techniques as a matter of course.
A boy reads about the attacks of a unknown animal on livestock in the town. He plans to run his own investigation. The so called beast however is also used as a metaphor for every day problems the townsfolk face.
Set during the 1960s in the fictional North Yorkshire village of Aidensfield, this enduringly popular series interweaves crime and medical storylines.
