A team of highly skilled Navy SEALS find themselves embarking on the battle of their lives when they come face-to-face with the undead. After a deadly outbreak occurs in New Orleans, the SEALS must fight for their lives, and the city, against an army of zombies.

After a series of calamities in Washington D.C., two estranged brothers re-unite and decide to investigate the cause of the nature's unexpected attacks. Will they be able to unravel the mystery?