This Forsaken World Intro

After suffering a world spread pandemic, world war three and finally a deadly virus that turns infected humans into zombies, the human race is pushed to the brink of extinction. Uniting the surviving governments into a single organization known as the New Alliance, the last survivors of humanity turn there efforts towards creating a fleet of starships to search for a new homeworld. Just as things begin to look up a fleet of unknown space ships enters the earth's orbit and lays siege to the planet. Forced to retreat, the New Alliance evacuates anyone they can and travels into the unknown, pursued and hunted by vampire-like creatures with an insatiable thirst for blood. Those unlucky enough to be left on Earth are captured and enslaved to serve as both labor force to fuel the alien species technology and to provide them with there life's blood. As things look grim and hope seems lost, a brave officer steps up to change humanity's fate.