The lethal Reaper virus spreads throughout Britain—infecting millions and killing hundreds of thousands. Authorities brutally and successfully quarantine the country but, three decades later, the virus resurfaces in a major city. An elite group of specialists is urgently dispatched into the still-quarantined country to retrieve a cure by any means necessary. Shut off from the rest of the world, the unit must battle through a landscape that has become a waking nightmare.

On December 21, 2012 four strangers on a journey of faith are drawn to an ancient temple in the heart of Mexico. For the Mayans it is the last recorded day. For NASA scientists it is a cataclysmic polar shift. For the rest of us, it is Doomsday.

American spies discover the Chinese have built a weapon capable of destroying planet Earth, a "doomsday machine" if you will, and that they plan to use it within a matter of days. Will the human race survive?