It was supposed to be a relaxing vacation. Now this legendary location could be hiding a killer in its battlements. Leta Parker's retirement in the Cotswolds' rolling hills has been a balm for her soul. And heading off with her friends and talking four-legged companions to a cat yoga retreat on the cliffs of Cornwall's Arthurian coastline seems like the perfect mix of relaxation and exploration. But when a fellow yogi's corpse pose nearly becomes...