Caliban insults Trinculo and they quarrel. Stephano tries to smooth things over but Ariel interferes. As they converse, Ariel, imitating Trinculos voice, insults Caliban. Stephano comes to his new servants defense and Caliban convinces him to kill Prospero. He tells the drunk of Miranda, and promises the girl to him if he kills her father. Stephano is excited by the idea, and the three set off towards Prosperos residence. Ariel, hearing their plan, leads them astray, and then leaves to warn Prospero of their plan.