This authorized sequal to the Showtime maxi-series takes place fifteen years after a mysterious disease called The Big Death wiped out everyone over the age of puberty, a loner named Jeremiah, joined by his cynical friend Kurdy and the mysterious Mister Smith, makes his way among the survivors, warring rival social factions of young people who must learn to make their own way without the wisdom of those who lived before them. Jeremiah works to build a new world of hope from the ashes of the old...an ordinary young man destined to become an extraordinary hero.