The document provides summaries and notes on Act 1 scenes 1-5 of Shakespeare's Macbeth. It introduces the three witches and their prophecy for Macbeth. Duncan is introduced as king and names his son Malcolm as heir. Macbeth and Banquo encounter the witches again and their predictions begin to influence Macbeth. Lady Macbeth reads Macbeth's letter about the prophecies and plans to help him fulfill the prophecy of becoming king by murdering Duncan.