A soothsayer advises Caesar that the fifteenth of March will be a dangerous day for him. When Caesar and others exit, Cassius and Brutus remain behind. Cassius urges Brutus to oppose Caesar for fear that Caesar may become king. After Brutus and Cassius talk with Casca about Mark Antony’s public offer of the crown to Caesar, Brutus agrees to continue his conversation with Cassius the next day. Cassius, alone at the end of the scene, expresses his surprise that Brutus, who is one of Caesar’s favorites, is willing to conspire against Caesar and decides to take immediate advantage of this willingness.