Against the backdrop of everything she experienced, Catherine Earnshaw had a “brain fever”, which she suffered very hard. For her “the threatening danger was not so much death, as permanent alienation of intellect.” It was only through the careful care and attention of Mr. Linton that she began to recover, but at the same time she changed dramatically.
Upon learning of the illness of his beloved, Heathcliff went to the Starling Grange. His conversation with Katherine was full of anguish and passion. This meeting was the last for them - the same night, Catherine died in childbirth. The girl was named after her mother.
When Catherine dies, the wicked Heathcliff develops into a demonic figure. The day after Catherine’s funeral, he opens her tomb to see her face for the last time and assures that he felt her presence by his side. He is now the owner of Wuthering Heights which has turned into a setting of hatred, violence, and depravation.