What happens
Caesar wakes troubled by Calpurnia's nightmares of his statue bleeding. Despite omens—a lioness giving birth in the streets, graves opening—Caesar insists he will go to the Capitol. Calpurnia pleads with him to stay home, but Decius Brutus reinterprets her dream as prophecy of Caesar's glory. Caesar yields to Decius, dismissing his wife's fear. The conspirators arrive to escort him, and Caesar prepares to leave, unaware he walks toward his death.
Why it matters
This scene stages the collision between private fear and public image that will destroy Caesar. Calpurnia speaks from love and intuition, reading omens as warnings; Caesar speaks from pride, insisting that constancy—being 'always Caesar'—means refusing to show weakness. The dream itself is crucial: Caesar's statue running blood 'like a fountain with an hundred spouts' is the play's most powerful image of violation, yet Decius simply reverses its meaning. Caesar doesn't resist this reinterpretation because he wants to believe it. His repeated phrase—'Caesar shall go forth'—uses his name as a shield against doubt, treating himself as a fixed thing beyond human feeling. By the end, he has talked himself into his own murder.
Decius Brutus's reframing of Calpurnia's dream is the conspirators' masterwork of rhetoric. He takes her terror and converts it into flattery, telling Caesar that Rome will feed on his blood, that great men will beg for relics of his touch. This works because it appeals to Caesar's self-image as Rome's life-giver. The scene also reveals how completely the conspirators have infiltrated Caesar's household—they arrive not as enemies but as friends, invited guests. Calpurnia's final plea, kneeling to Caesar, goes unheard not because Caesar doesn't love her, but because the public man has overruled the private one. By scene's end, Caesar has sealed his fate, believing he chooses freely.