its just a bit of good ol' macbeth cheffing some man
act 1 scene 1
fair is foul and foul is fair.
act 1 scene 4
i am now the Thane of Cawdor.
i must kill him.
act 2 scene 4
the witches visit macbeth telling him he will be promoted to thane of cawdor and then king of scotland.
act 3 scene 6
Macbeth is promoted to thane of cawdor by the king. knowing that the witches prophecy was true macbeth considered killing the king.
act 4 scene 1
Macbeth and his wife plan to kill the king and do. After this macbeth was crowned king of scotland.
act 4 scene 3
At this point, Malcolm was planning a rebellion against Macbeth.
the witches haunt macbeth, the first exclaimed to 'beware mcduff', the second told him he would not be killed of any woman born ( forgetting about cesarean ) whilst the third said that there was no fear to be had until great birnam wood moves.
macduff and his army ambush macbeth in his castle and exicute him. malcolm is then crowned king.