A SWAT team transporting a vicious crime syndicate boss must fight their way out of a county detention center during a catastrophic alien invasion.

In a world ravaged by a rabies virus that turns people into hungry cannibals, Alice a pregnant survivor, along with two other men, struggles to reach an island unaffected by the plague. Meanwhile a dangerous man is on the trail of a mysterious girl, and Alice soon discovers that zombies are not the only threat.