Brad Pitt: 'World War Z' Official Synopsis Revealed!

The official synopsis for Brad Pitt‘s upcoming zombie flick World War Z has been revealed!

The story “revolves around United Nations employee Gerry Lane (Pitt), who traverses the world in a race against time to stop the Zombie pandemic that is toppling armies and governments and threatening to decimate humanity itself.”

The Killing‘s Mireille Enos plays Gerry’s wife Karen Lane.

PHOTOS: Brad Pitt on the World War Z set.

It was also just announced that World War Z will hit theaters on December 21, 2012!