Their target humanity'. '.strtoupper('t')heir mission total annihilation'! '.strtoupper('t')he world has just been decimated by an unstoppable, merciless army of killer robots, and millions of innocent souls have been wiped out'! '.strtoupper('o')nly 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..'. '.strtoupper('b')efore the entire human race becomes extinct'! '.strtoupper('l')egendary 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.