In 1327, finding his sensitive mission at an Italian abbey further complicated by seven bizarre deaths, Brother William of Baskerville turns detective.
When Yambo, a sixtyish rare-book dealer in Milan, loses his memory, he returns to his family home in the hopes of rediscovering his past, and relives the story of his family through old newspapers, photo albums, and journals.
Seventeenth-century sailor Roberto della Griva, shipwrecked in the the South Pacific, takes refuge aboard a ship he believes to be abandoned, but is really inhabited by the brilliant Father Caspar, a man who has unlocked the secrets of navigation--a discovery destined to change the world.
After hearing an extraordinary fable, three editors, who may have spent too much time reviewing occult manuscripts, decide to feed information to an incredible computer that makes connections between their random facts, and it is just for fun until the game starts taking over.