Macbeth plot summary. William Shakespeare.

In the dark of the night three witches meet in the depth of the forest and discuss that they will meet Macbeth upon the heath.
Macbeth and his friend-companion Banquo, both king’s noblemen and generals, are heading home from a victorious battle where they defended the king’s honor.
At this time at the king’s palace a sergeant wounded in the same battle reports to the king of Macbeth's grand success as a warrior. King Duncan is impressed. Meantime a messenger arrives at the palace and informs king Duncan of the treachery of the Thane of Cawdor. King Duncan wants him executed and promotes Macbeth to become a new Thane of Cawdor.
King Duncan sends messengers – nobleman Ross and Angus to meet Macbeth on his way to the castle and inform him about his promotion.…