1805. An engagement party is taking place for Mr Richard Montague, son of wealthy landowner Sir Edgar Montague, and his fiancee Catherine. During a dance with his beloved, a strange thing happens: a man appears at Richard's shoulder and appears to communicate something to him without saying a word. Instantly breaking off the engagement, he rushes off to speak to his father, never to be seen again. Distraught with worry, Catherine sends for her spinster...