The evil Iago pretends to be friend of Othello in order to manipulate him to serve his own end in the film version of this Shakespeare classic. Iago convinces Othello, The Moor of Venice that his wife, Desdemona has been unfaithful. Iago is an evil, manipulative character with his own agenda. A plot of jealousy and rage transpires in this classic Shakespearean tale.Iago convinces Othello, The Moor of Venice that his wife, Desdemona has been unfaithful. Iago is an evil, manipulative character with his own agenda. A plot of jealousy and rage transpires in this classic Shakespearean tale.