The theme of love and revenge is played out in the relationship between Wuthering Heights and Thrushcross Grange. The relationship between Lockwood and Heathcliff unlocks the mysteries of love founded on deep-seated vengefulness. Heathcliff: A very dark-skinned gypsy from Liverpool, Lockwood's landlord, looks on when his dogs attack Mr. Lockwood, the owner of both Thrushcross Grange and Wuthering Heights