A group of friends awake one morning to find all electricity and power shut off and an immense alien aircraft hovering in the air above their heads. Suddenly this regular group of friends is battling to survive as the entire human race is threatened by the alien army hovering ominously above.

Abused, broke and down on her luck, Sarah is given a new shot at life when she moves into a new apartment. At first the apartment seems to have been the right choice for Sarah, she even meets some new friends including Sid (Jason Mewes). But before long tenants begin disappearing, when Sarah and Sid go looking for them, they discover an evil lurks, hell bent on not only taking over their building, but the city as well. As Sarah and Sid fight for survival, the bitter and vengeful ghost begins inhabiting the bodies of the tower’s tenants turning them to bloodthirsty zombies.