As eight convicts serve their sentences in a work-release program at a creepy, abandoned prison, an unknown killer stalks them in the darkness. One by one the prisoners are slaughtered in th... Read allAs eight convicts serve their sentences in a work-release program at a creepy, abandoned prison, an unknown killer stalks them in the darkness. One by one the prisoners are slaughtered in the most brutal ways.As eight convicts serve their sentences in a work-release program at a creepy, abandoned prison, an unknown killer stalks them in the darkness. One by one the prisoners are slaughtered in the most brutal ways.