With the future of the Vatican in dire peril, the demonic Legion has gleefully turned the Curia against itself. But following his harrowing escape from captivity, Father Vieri returns to Rome with a dangerous plan to retrieve his stolen body — a plan that will force him to create an all-new identity to capture the Devil. With the mysterious Iscariot Blade at his side, can Legion's treachery survive the deadly designs of the Marques de Lazarus? Or will the intrigue of the Inquisition thwart even the best-laid plans of an exorcist?