Northanger Abbey is a hilarious parody of 18th century gothic novels. The heroine, 17-year old Catherine, has been reading far too many "horrid" gothic novels and would love to encounter some gothic-style terror -- but the superficial world of Bath proves hazardous enough.
Seventeen-year-old Catherine Morland is one of ten children of a country clergyman. Although a tomboy in her childhood, by the age of 17 she is "in training for a heroine" and is excessively fond of reading Gothic novels, among which Ann Radcliffe's Mysteries of Udolpho is a favourite.
Catherine is invited by the Allens, her wealthier neighbours in Fullerton, to accompany them to visit the town of Bath and partake in the winter season of balls, theatre and other social delights. Although initially the excitement of Bath is dampened by her lack of acquaintances, she is soon introduced to a clever young gentleman, Henry Tilney, with whom she dances and converses. Much to Catherine's disappointment, Henry does not reappear in the subsequent week and, not knowing whether or not he has left Bath for good, she wonders if she will ever see him again.