Left hovering at death's door after a brutal confrontation, Father Vieri finds himself trapped in a hell of his own making. With the demonic Legion still in possession of his body, will an unexpectedly familiar face be Vieri's salvation, or his ultimate demise? Meanwhile, Vieri's attendant Maria stalks Legion through Rome, aiming to expose the Devil's infiltration of the Church at any cost. But even if she can convince Cardinal Pentecost of the truth, Legion's influence has grown exponentially…and when his final endgame stands revealed, not even the Vatican will be able to stop him.
