Antony and Octavius learn that Brutus, Cassius, and their army are closer than expected. Antony directs Octavius to stand on his left, but is disobeyed when Octavius stands on Antony's right hand side instead, showing that Octavius isn't afraid of taking charge.
Titinius informs Cassius that Brutus, being too eager about their advantage over Octavius, took the opportunity too early.
Cassius sends Titinius to check on some soldiers, and while doing so, Pindarus, keeping an eye on Titinius, misinforms Cassius saying that Titinius was captured. Out of sadness and guilt, Cassius instructs Pindarus to kill him with the same sword Caesar was killed with.
Back with good news for Cassius, Titinius is saddened at the sight of a deceased Cassius. Feeling responsible for both the confusion of his "capture" and Cassius's death, Titinius stabs himself with the same sword after giving Cassius a wreath to wear on his head.
After seeing Caesar's ghost twice, and now seeing both Titinius and Cassius dead, Brutus decides that it is also his time to pass. He takes the sword and asks Strato to hold it while he runs through it after everyone else refused to do so.
"It is more worthy to leap in ourselves than tarry till they push us."
Antony and Octavius walk up and see the three dead. Antony says that he knew that Brutus's mind was in the right spot because he always acted for the general good. Octavius and Antony intend to give Brutus a proper burial.