What is the plan in Macbeth?

macbeths plan is to kill duncan, and his two sons to become the next king.

how this ends? macduff kills him in battle (beheaded) because the witches prophecies weren't completely true. Malcom (one of Duncans, the king, son) becomes king.

Explanation:

question is vague.

Macbeth's plan focuses on murdering Duncan, but he also has to get rid of Duncan's two sons, Malcolm and Donalbain, who are next in line to the throne. Duncan has already named Malcolm as his heir.