Armed insurgents attempt a coup d'etat in a troubled Eastern European country, and the president flees to the U.S. embassy for protection. When the U.S. ambassador is murdered by the ruthless and gun-happy rebels, it comes down to the second-in-command of the embassy, Sam Keenan, played by Belgian kickboxer Jean-Claude Van Damme, to use his amazing martial arts technique to defend the besieged.
An Army veteran assembles a team of bodyguards to protect a former boxer. Complications arise when the boxer suspects his sister may be romantically involved with the bodyguard.
When most of the population of Earth is infected by a virus and transformed into flesh eaters and blood drinking creatures, a group of hunters lead by Tao and his sword chase the vampire zombies to eliminate them. Six non-infected survivors try to find the exit of an abandoned hospital crowded of the infected creatures. Meanwhile, the military is ready to bomb the whole area.