This was the most popular novel of Radcliffe's time and Radcliffe's portrayal of her heroine's inner life raised the Gothic romance to a new level. The atmosphere of fear and the gripping plot continue to thrill today. This is the story of the orphaned Emily St Aubert who finds herself separated from the man she loves and confined within the Castle of Udolpho by her aunt's new husband, Montoni. Here she must cope with an unwanted suitor, Montoni's threats, and the wild imaginings and terrors which threaten to overwhelm her.