Two stories collide as a small town in Texas comes under siege by an army of psychotic murderers. First, in the maximum detention wing of the Russell Institute for the Criminally Insane, two women - a young doctor and a veteran nurse - face unspeakable horror as the inmates who have been incarcerated there escape and embark upon a rampage of violence. Subjected to brutal violation, these trapped women must summon the strength to survive and escape the maniac bloodbath. Outside the facility, youn...