"...some that smile have... millions of mischiefs..."
Lepidus is stupid.
Antony, Octavius, and Lepidus (the new triumvirate) discuss who is to be on the proscription (hit list). Antony sends Lepidus on an errand to fetch Caesar's will. Antony tells Octavius that Lepidus is unworthy, and Octavius hints that Antony is untrustworthy.
Brutus and Cassius have a fight, but they soon make up.
Cassius, Brutus, and Messala discuss military plans.
Lucius plays the harp for Brutus as Brutus falls asleep.
Caesar's ghost visits Brutus.
Brutus commands Varro and Claudius to tell Cassius to ready the army for Philippi.