 During the battle, he was accompanied by his faithful lieutenant, Cassio.When Othello finally arrives at Cyprus, however, the Turkish invasion fleet has been wrecked by a storm, and, reunited with Desdemona, who had volunteered herself to go with him, leads his men and the people of Cyprus in a celebration.Iago, Othello's trusted companion and ensign, envies Othello's prosperous life and Cassio's lieutenancy and, convinced that both of them had slept with his own wife, Emilia, plans to ruin both by manipulating Othello into believing that Desdemona is having an affair with Cassio and is pregnant with Cassio's child.