Unholy Retribution finds Rowan descending into an ever deepening world of darkness, rife with treachery and deceit. Swayed by the hypnotic mantra of Muusa Shemal, a Muslim Brotherhood operative highly networked within the nation's intelligence community, President Gilford Whitman is unwilling to risk embarrassment to his administration by admitting his complicity with Rowan's actions. He assigns David Harandi, a former CIA operative and childhood friend of Rowan's to apprehend him. Believing Rowan is a traitor, David will stop at nothing to bring him in.

Rowan's murderous pursuit of retribution cuts a devastating path across the country. Bodies pile up. The woman he loves is terrified of him. His loyal colleagues are stunned at his single-minded lust for payback. But Rowan doesn't care. He's determined to administer his own brand of justice.

Will Rowan's brash overconfidence be his undoing? Will his reckless fortitude deliver him into the hands of those who seek to silence him forever? Will the truth ever see light? Or will Rowan Milani become the lie the world believes him to be...