Macbeth is a tragedy by William Shakespeare about a Scottish general named Macbeth who receives a prophecy from witches that he will become King of Scotland. Driven by his wife's ambitions and feelings of guilt, Macbeth murders the current King Duncan and takes the throne. To protect his power, Macbeth then commits more murders and becomes an increasingly tyrannical ruler until he is defeated by the forces of Scotland and fate. The play explores the themes of ambition, guilt, masculinity, and the difference between kingship and tyranny.