Breaking free from her mounting responsibilities on the Olympic Peninsula, Carson Stables owner Annie Carson reluctantly swaps muddy jeans for breeches to attend a dressage event in Southern California. But after settling into elegant digs at a historic mansion, she finds herself surrounded by palace intrigue, backbiting riders, and cold-blooded murder. As Annie makes heads or tails of clues scattered around the show ring, she must figure out which of her new acquaintances is a killer—before the crazed culprit takes the reins . . .