A1S4

• Duncan inquires about the execution of Corridor and expresses concern that those responsible have not returned yet
• Malcolm informs Duncan that someone saw Corridor die, openly confessing and displaying sincere regret for his actions
• Duncan reflects on the theme of not being able to know someone's thoughts by looking at their face, hinting at the theme of appearance vs reality in the play
• Macbeth is praised by Duncan for his loyalty and service, with Duncan expressing regret that he cannot adequately reward Macbeth for his deeds
• Duncan names his eldest son, Malcolm, as the Prince of Cumberland and announces a visit to Inverness, Macbeth's castle
• Macbeth, realizing he is not in line for the throne, contemplates the idea of murdering Malcolm to fulfill the witches' prophecies
• Duncan praises Banquo for his courage and loyalty, expressing satisfaction in rewarding him
• The tension builds as Macbeth starts to plot and scheme to fulfill his ambition of becoming king