Internationally respected Siamese twin surgeon Dr. Josef Heiter has a demented vision for mankind’s future existence. He wants to remove human beings’ kneecaps so they have to exist on all fours and then surgically graft them mouth-to-anus to form a centipede chain. When two stranded female Americans arrive at his luxury home-cum-hospital looking for help, his long-gestating plan swiftly moves into chilling action with a shocking force. Kidnapping a third Japanese male tourist he begins the tissue matches, teeth removal and buttock moulding to create his triplet creature…