Prospero, Duke of Milan, is overthrown by his brother, and exiled on the island Prospero saves Ariel, who works as his servant. One day, a ship carrying Alonzo and Antonio goes past, and Prospero sees his chance. Prospero sends Ariel to whip up a huge storm; the passengers jump overboard in panic. Prospero gets Ariel to bring along Alonzo's son Ferdinand, who falls in love with Miranda. Prospero sends Ariel to tell Alonzo, Antonio and Sebastian “You are three men of sin” Prospero sends Ariel to stop a plot by Caliban, Trinculo and Stephano Prospero promises that - if his plot works - he will stop his magic Prospero makes a magic ring, and Ariel brings Alonzo, Antonio, Sebastian and Gonzalo The four men are sorry, and Prospero forgives them; Alonzo makes him Duke of Milan. The sailors turn up and tell everybody that the boat is OK and they can all go home. Caliban realises he has been an ‘ass’ and goes off to earn Prospero's forgiveness.