On a trip to Scotland, the psychotherapist family team of Adele, Marlena, and Thomas McCormick -- pioneers in the psychotherapeutic use of horses -- discover that early Celtic mysticism holds important insights into an equestrian-partnered spirituality. Through serendipitous encounters, they learn that the ancient Celtic people befriended the horse to cultivate the human heart and soul, and that horses accompanied the Celts as they spread their spiritual...