It is some years in the future, and Pope Urban IX, pontiff of the Roman Catholic Church, after reigning for thirteen years, has suddenly died of a massive heart attack. From every corner of the globe, 77 cardinals converge on the city of Rome, where they will gather in the Sistine Chapel to elect Urban's successor. Ballot after ballot, the leading candidates vie with each other for the papacy, only to falter and fall by the wayside. Finally, after...