Their target: Humanity. Their mission: Total Annihilation! The world has just been decimated by an unstoppable, merciless army of killer robots, and millions of innocent souls have been wiped out! Only a handful of survivors have managed to escape the deadly alien apocalypse, and they must endure a non-stop struggle to save themselves from destruction, and somehow find a way to defeat the marauding death machines... before the entire human race becomes extinct! Legendary Hammer director Terence Fisher (Horror of Dracula) directed this Sci-Fi thriller written by Harry Spalding (Chosen Survivors) under the pseudonym Henry Cross and starring Willard Parker, Virginia Field, Dennis Price and Thorley Walters.