Una serie de peleas ilegales de puño se ha estado llevando a cabo en todo North Riding y el sargento Blaketon pide a sus agentes que estén atentos al irlandés Michael O'Leary, sospechoso de estar detrás de ellas. No sorprendentemente, O'Leary es visto en el lugar de Claude Greengrass. Martin Lessor es atacado en su casa, pero el atacante Victor Kellerman está mucho más ansioso por llevar el caso a juicio que Lessor. Para complicar las cosas, Lessor, quien es diabético, solo permite que Alex Ferrenby revise sus archivos médicos, pero Ferrenby está de viaje de pesca.

Lesley Ford's father went missing in action during World War. A few days before her wedding to Barry Lee she finds a piece of a shot down Mosquito fighter on the moors. Following the visit to a fortune teller at an amusement park on her hen night she postpones the wedding until the plane's pilot has been found and given a proper burial. To save his upcoming marriage Barry tries to find the spot where the Mosquito hit the ground. But the crash site is considered a war grave and the Ministry of Defence do not take it lightly when someone messes around with war graves without authorization. and to top it off two more shady characters are caught lurking around the supposed crash site. A new, very officious bobby turns up out of nowhere in Aidensfield and Ashfordly But not even Sergeant Merton has heard of any new bobby being transferred to the area and the police must face the fact that the have a bogus bobby on their patch.