A massive act of terrorism against the Vatican destroys St. Peter's and kills the new pope elect. Rome's Carabinieri anti-terror chief faces an enigmatic mix of the criminal underworld and ostensibly legitimate groups driven by ruthless greed, historical feuds and delusions of heavenly glory. The Collineau Covenant, with its origins dating back to the 14th century, is the Holy Grail inspiring the collaborators, but what does it really mean? Is there a hereditary connection and vendetta mandating the current Pope's assassination? Can the billionaire American fundamentalist, prepared to risk...