Macbeth and Banquo meet 3 witches in the woods who say that Banquos children will one day have the thrown and Macbeth us told he will one day be king, later that day he sends a letter to his wife to tell the news.
Lady Macbeth then convinces Macbeth to kill the king Duncan so he could get the crown, he doesn’t comply with her plan to begin with but eventually he agrees to do it when the kind was staying their house.
Lady Macbeth drugs the guards allowing Macbeth to stab King Duncan in his sleep, he was supposed to frame the guards by smearing the kings blood on their hands but instead he walks away and makes his wife do it.
The previous day, Macbeth sent Banquo and his sons to be killed as they were next in thrown and he saw them as a threat. So the next day he sees Banquos ghost flying through the dining room where a party was taking place. Then Lady Macbeth takes him to bed.