Caesar insists on misinterpreting the omens, but Calpurnia begs him to blame her for his absence from the Senate, to which he finally agrees.
Cassius and the other conspirators then arrive to accompany him to the Senate.
Antony also appears and joins the group of men who then escort Caesar out of his house.
The men then discuss whether they should invite Cicero, the great orator, to join their plot, but Brutus convinces them against it.
Cassius states Mark Antony should be killed along with Caesar, but again Brutus is against the plan, fearing they will be perceived as too bloody.
Decius tells the group that he knows how to flatter Caesar, and assures them he will convince Caesar to go to the Senate.
Cassius and his followers then depart, leaving Brutus alone.
Decius overwhelms Caesar's resistance by asking him if the Senate should dissolve until a better time when Calpurnia has more favorable dreams.
Caesar tells Calpurnia that he was acting foolishly, and agrees to go to the Senate.
Portia orders the servant Lucius to go to the Senate House.
He asks her what he should do there, but she is so distracted that she is unable to tell him the purpose. She is alluding to the fact that she knows what Brutus is planning to do to Caesar, and is unwilling to keep it a secret.