What is the plan to kill Duncan?
Macbeth will kill the guards and the king, framing the guards for Duncan's death.
Lady Macbeth will get the guards drunk, kill the king, while Macbeth keeps watch.
Lady Macbeth plans on poisoning both the guards and King Duncan, making it seem it was the guards' fault.
Macbeth will create a diversion to distract the guards, which he'll then use as the opportunity to kill the king.
Lady Macbeth will get Duncan's guards drunk, they will kill the king and then blame it on the guards.