As Servilia mourns the death of her beloved son, Atia is also devastated by some shocking news. Meanwhile, Pullo's infidelity reaps catastrophic results.
With Mark Antony and Octavian uneasily allied, their old enemies Brutus and Cassius make an unexpected resurgence. Will Brutus finally triumph over his old enemies? Meanwhile, Vorenus fails to notice the dangerous treachery that his eldest daughter has been drawn into.
Vorenus and Pullo disgrace themselves when they fail to ensure the safe transportation of Herod's gold. Meanwhile, Mark Antony makes a dramatic decision, with devastating consequences for Atia.
Whilst Octavian prepares for his triumphant return to Rome, Mark Antony plots his resurgence. However, with Atia torn between loyalty to both men, she comes up with a plan to deliver an uncertain truce.
Callen questions Hetty's motivations when a bizarre case involving a mysterious woman is revealed to be an undercover agent from her past.