Bianca (Othello) confirms his wife's infidelity. This "evidence" completes Iago's manufactured case against Desdemona, and thereafter Othello is determined to murder both her and Cassio. In 5.1, Bianca arrives just after Cassio has been stabbed by Iago. She reacts with horror and concern. Iago, pretending to have just entered the scene, accuses Bianca of having been part of the group that attacked Cassio. Iago claims her emotional reaction is due to her being caught rather than concern for Cassio and gets her to admit that Cassio ate at her home earlier that evening. Both Iago and Emilia call her a prostitute, but
Desdemona Moor commissions his ensign to bludgeon Disdemona to death with a sand-filled stocking. The two murderers then place her lifeless body upon her bed, smash her skull, and cause the cracked ceiling of the room to collapse upon her, giving the impression that the lady's skull was smashed by falling rafters. In the play's first act, Desdemona has eloped with Othello, a Moor in the service of the Venetian Republic. Before the Duke of Venice, his councilmen, and her father, she proclaims her love for Othello and defends her choice. Her father reluctantly accepts the union, but warns Othello that