Macbeth is a tragic play written by William Shakespeare that explores the themes of ambition, power, and guilt. The story follows Macbeth, a Scottish general who, spurred by a prophecy from three witches and his wife's encouragement, murders King Duncan to seize the throne. However, his reign is plagued by paranoia and further violence, leading to his eventual downfall. As Macbeth descends into madness, he becomes increasingly tyrannical, alienating those around him. The play highlights the consequences of unchecked ambition and moral corruption, ultimately illustrating how the quest for power can lead to one's destruction.