Dorothy Martin is in Wales for an opera full of passion, drama . . . and murder. Dorothy Martin and her husband, retired Chief Constable Alan Nesbitt, are invited to join their close friends Nigel and Inga Evans at a Welsh music festival where both Nigel and Inga will be performing with the world-renowned conductor Sir John Warner. Amid the glorious surroundings of Welsh castles and the history of long-ago battles, the stage...