Father Michael Flannery is Keeper of the Sign, prophesied to bring the gospel of peace to the world. On his way to New York for a landmark symposium of the world's largest religious groups, he barely escapes assassination. Not content with possessing the scroll, Via Dei is determined to tie up loose ends and ensure that Father Flannery's message never gets out. Interwoven with this modern-day suspense is the story of the first Keeper, Tobias Garlande, a scholar living during the First Crusade. Burdened with terrifying visions of future tragedies, Tobias' connection to Father Flannery echoes across centuries with a simple warning: You must not fail.