The document summarizes the plot and characters of Shakespeare's play Macbeth. It outlines the key events and characters in each of the first three acts. The main characters are Macbeth, initially a loyal Scottish general who becomes ambitious after prophecies; his wife Lady Macbeth, who encourages his ambition; Banquo, another general prophesied that his descendants would be kings; and Macduff, a Scottish noble who opposes Macbeth. The witches plant the initial prophecy in Macbeth's mind that drives the tragic events of the play.