John Henry "Doc" Holiday and the rest of "The President's Dozen" (plus one) race into the breach once again, undaunted by the deadliest odds they've ever faced. Their mission is to hunt down "The Keeper" and a man calling himself Nostradamus "The Father of Time", whose scrolls reputedly contain a secret that could rock the entire world. Modern science and medicine say that's impossible. So it's up to Doc and his team to uncover the truth, whatever it is. To do that, they must keep a date with destiny and a lady who is known by many names around the world...