Would you recognize a miracle if you saw one? An ancient mystery is unlocked when a Dutch librarian sets out on a quest to find the man who returned a book, 113 years overdue. In a tale reminiscent of The DaVinci Code, a clue scribbled in the margin and an unclaimed dry-cleaning ticket sets the librarian off on a course that spans the globe and the ages, leading to an astonishing conclusion where facts and faith intersect.