Nothing is known of Heathcliff's mysterious past when kindly Mr. Earnshaw adopts him into his family, but his daughter Cathy sees in him a soul very much like her own. They are divided by birth, class, and Cathy's jealous brother, but nothing can break the bond between them- not even when Cathy marries the wealthy gentleman Edgar Linton. Yet there are forces in nature that seem to be even more powerful than their love.