Characters involved : the Duke of Venice, Senators, officers, messangers, Brabantion, Othello, Desdemona, Iago, Roderigo
The scene started with the committee discussing about a Turkish fleet which is moving towards Cyprus for a war.
Since Marcus Luccious was still in Florence, the council assigned Othello to the task; to go against the enemy of Ottoman.
Then Brabantio came in to talk to the Duke to get justice for his daughter, Desdemona.
He claims that Othello had used black magic on Desdemona to win her heart.
After that, Othello justifies himself that he did not do such thing. Since Brabantio was still not convinced, Desdemona was called in.
Desdemona; wife of the Moor (Othello) finally spoke the truth that Othello did not used any portion or black magic in order to win her heart.
Finally, Brabantio was convinced with Desdemona's speech and gave her hand into Othello's hand and told the Duke to carry on with the state's affairs.
Desdemona chooses to follow Othello to Cyprus, however he told her to stay back and she was attended by Iago's wife; Emilia.
Then, Roderigo appears to talk to Iago about his feelings, and selfish Iago told Roderigo who has feelings for Desdemona to make a lot of money by selling off his lands.
The scene ended with Iago's plans on how to make the Moor to start hating Desdemona.
Source: The Arden Edition of the Works of William Shakespeare : Othello