Answer:
Lady Macbeth plans a murder on Duncan which will be framed on his guard so he (macbeth) can become king
The theme is the message that an author is trying to get his or her readers to understand. For example, in the Greek myth of Daedalus and Icarus, the theme was "don't be prideful". Because Icarus and Daedalus violated this by trying to act like the gods, they were punished: Icarus fell into the ocean and drowned.
the downfall of the protagonist
Please send the story so i can answer the question :)