This document summarizes William Shakespeare's play Macbeth. It discusses how the witches' prophecy that Macbeth will become king plants the seed in his mind, pushing him to kill King Duncan with encouragement from his ambitious wife Lady Macbeth. Macbeth's actions plunge the kingdom into chaos and leave him wracked with guilt. In the end, Macbeth is killed by Macduff as the consequences of his regicide catch up to him, demonstrating that every action has consequences.