By the pricking of my thumbs, Something wicked this way comes”
Macbeth is crowned King after the death of King Duncan
Act 4 Scene 1
Eye of newt and toe of frog, Wool of bat and tongue of dog”
Macbeth sends soldiers to kill Banquo and Felance to make sure they won't become king. Fleance escapes but Banquo is killed.
Act 4 Scene 2
Macbeth is about to feast with his fellow thanes at hiss castle. Suddenly, he sees an apparition of Banquo, and has a seziure. Land Macbeth sends all the thanes off and says that this is normal. She doesn't wantthe others to know he killed Banquo and King Duncan.
Act 4 Scene 3
In a dark cavern, a bubbling cauldron hisses and spits, and the three witches circle the cauldron, chanting spells and adding bizarre ingredients to their stew
Lady Macduff and her son is killed by the soldiers, sent on Macbeth's order
Malcom tells Macduff that he does not trust him any more, since he left his family in Scotland and may be secretly working for Macbeth.