link2-Project-Gutenberg - Macbeth, by William Shakespeare MACBETH, an ebook by William Shakespeare Synopsis The Witches' Prophecy Three witches tell the Scottish general Macbeth that he will become king. They also tell his friend, Banquo, that his descendants will rule Scotland. Soon after, Macbeth learns he has been made Thane (lord) of Cawdor, which makes him believe the rest of the prophet. The Murder of King Duncan Prompted by his ambitious wife, Lady Macbeth, Macbeth