It is the year 2213. Fifteen-year-old Felix Taylor is the last person on Earth who can speak and read Latin. In a world where technology has defeated war, crime, poverty, and famine, and time travel exists as a distinct possibility, Felix's language skills and knowledge seem out of place and irrelevant. But are they? A mysterious plague has broken out. Scientists can't stop its advance, and humanity is suddenly poised on the brink...