A team of commandos enters a top-secret underground research facility when a deadly virus which turns victims into flesh-eating zombies is accidentally released. But their containment mission spins out of control as a rogue super-intelligent computer and hordes of the marauding undead wreak havoc. Sci-fi action horror, starring Milla Jovovich, Michelle Rodriguez and James Purefoy.

When a virus leaks from a top-secret facility, turning all resident researchers into ravenous zombies and their lab animals into mutated hounds from hell, the government sends in an elite military task force to contain the outbreak.