Othello must go immediately to Cyprus to command its defense, and Desdemona requests to go as well. The Duke grants her wish, and Othello, who must leave that night, delegates Iago to follow later in another ship, bringing Desdemona and whatever else is needed. Iago's wife, Emilia, will look after Desdemona as her maid. As Othello leaves. Brabantio warns Othello, "She has deceived her father, and may thee" (289), but Othello is certain of Desdemona's faithfulness.
Iago and Roderigo are left on stage. Roderigo is downcast and talks of drowning himself. Iago replies with scorn that such misery is silliness and convinces Roderigo to go to Cyprus and wait for Desdemona to come to him, as she will surely soon become bored with Othello. Iago, because he hates Othello, says he will help Roderigo have Desdemona and reminds Roderigo to bring plenty of money.
Iago, alone on stage, considers the situation: He has consolidated his source of money, and he has heard a rumor that Othello has had sex with his wife, Emilia. Although he does not believe the rumor, he will act as though he does to feed his hatred. Also Iago will aim to get Cassio's position of lieutenant, which he thinks should have come to him.
