Who knows about the plan? (macbeth)

Summary: Act 1, scene 5

The letter announces Macbeth's promotion to the thaneship of Cawdor and details his meeting with the witches. Lady Macbeth murmurs that she knows Macbeth is ambitious, but fears he is too full of “th' milk of human kindness” to take the steps necessary to make himself king (1.5. 15).

Explanation:

i hope you understand

i am confused, i do not see a speech unless you mean the

question