Mistress Amy and her friend mistress Zora wanted to dominate this old guy because he was trying to seduce them yet he had a wife and grown children. They told him to go home and love his family but he insisted that he wanted a threesome with them. He got it but not the kind he wanted. He was turned into a human pony and they rode his back and nearly broke it. They had fun at his expense and told him to listen to them next time.