By choosing a social status Catherine betrays Heathcliff and pursues Edgar Linton. This decision has an echoing effect throughout the book. As Heathcliff returns to Wuthering Heights he brings only vengeful tactics with him. Seeking to oppress Edgar, Heathcliff mentally and physically abuses Isabella, Edgar´s sister. "And I like her too ill to attempt it," said he, "except in a very ghoulish fashion. You'd hear of odd things if I lived alone with that mawkish, waxen face: the most ordinary would be painting on its white the colours of the rainbow, and turning the blue eyes black, every day or two: they detestably resemble Linton's." (Bronte 10.121). Heathcliff´s depiction is disturbing to say the least. Displaying his sadistic and ruthless imagination that is all too much of a reality for Isabella. Heathcliff's revenge plot is deep and inhuman.
Revenge in Macbeth is somewhat different. It is better understood as Macduff´s revenge on Macbeth. As Macbeth acquired the throne through a devious and grim pursuit he slipped further and further into madness. Possessed by the belief in the witches prophecies, he violently seeks to eradicate the surrounding threats to his power. Including laying waste to all of Macduff's family and