A social reception at the wealthy Chaning Court estate ends in tragedy: one of the guests, a famous traveler and archaeologist, is killed. But not only his death will shock the guests and the police: the famous scientist, posing as a man, turned out to be... a woman! Is there a connection between this mystery and the murder? Mrs. Bradley begins her own investigation, and soon Eleanor, the owner’s daughter, is found dead on the estate... The inhabitants of the quiet village of Wendles Parva are in fear and confusion: first the owner of the estate disappears without a trace, then a corpse is discovered in a local butcher’s shop men. To top it all off, someone drenches the ancient stone altar of the Druids in blood. Terrible rumors are spreading throughout the village, the police suspect literally everyone, and then Mrs. Bradley joins the investigation...