Is this the whole question or is there more to it?!?!?!?!?
“Fair is foul and foul is fair” ...
“Brave Macbeth – Well he deserves that name – Confronted him with brandished steel” ...
“Stars hide your fires; let not light see my dark and deep desires” ...
“Come you spirits, that tend on mortal thoughts.
Answer:
In a nutshell, it appears that the story ends with Mary getting away scot-free after the murder of her husband, who had been bludgeoned to death with the leg of lamb after coming home and informing his pregnant wife that he was leaving her.