The war is over, the RAF uniform has been handed in and James Herriot goes back where he ought to be - at work in the dales around Darrowby. Much has changed, but the blunt-spoken Yorkshire folk and the host of four-legged patients are still the same. So is their vet, who doesn't yet know that literary success is just around the corner...
When a woman's body is found in a North London flat clutching a bloodstained sliver of X-ray, DI Thorne discovers that the victim's mother had herself been murdered fifteen years before by the infamous serial killer Raymond Garvey. When more bodies and more fragments of X-ray are discovered, a horrifying picture emerges: a killer is targeting the children of Garvey's victims...