Isabella introduces Catherine to the fun of reading gothic novels. But Catherine believes they are true. She does not understand the difference between reality and fiction. Then she is introduced to Isabella's brother John Thorpe, who finds himself falling in love with her. He thinks Catherine likes him too. Catherine then meets Henry Tilney again, and is introduced to Miss Tilney, his sister. She is a sensible, intelligent lady, who is much different from Isabella. Catherine also meets Miss Tilney's father, General Tilney.