What Happens in Act 3 (Quick Summary)
Act 3 shows Macbeth shifting from hesitant killer to calculating ruler. He hires murderers to kill Banquo and Fleance, fearing the witches’ prophecy. Banquo is killed, but Fleance escapes, creating a new threat. The act ends with the banquet scene, where Macbeth is shaken by Banquo’s ghost, revealing his growing loss of control.