Dark HorseDark Horse follows the story of Imogen Duffy, a young Irish jockey whose fledgling career receives a monumental boost when she wins a prestigious horse race at the Cheltenham Steeplechasing Festival. However, her personal life is far from perfect. She has a violent and controlling boyfriend, also a jockey, who becomes increasingly jealous of her success. Imogen attempts to end their relationship, but he won't take 'no' for an answer, threatening her