Defeated by Russia, American government flees to moon base and develops advanced technologies to fight back. They develop robots called claws, the killing machine. Soldiers of UN forces are protected by a special kind of wrist tab. They were produced and designed in an unmanned factory. Within the span of six years the claws have destroyed the entire Russian army. But later machine overtook man and there was a threat of great disaster. UN forces were urgently summoned by Russians for policy meeting. Major Hendricks is sent for negotiation with Russians On his way he was accompanied by a boy who later turn out to be a 1-V robot. It was reveal that the US wrist tab became ineffective against claws. Along with three Russian soldiers, Hendricks set on a journey to prevent the destruction. And it becomes very difficult for Hendricks to find out who is the second variety robot among his Russian companions.
Dick’s short story “Second Variety” also presented human-like machines, the claws. These machines were made for a world war and eventually broke free of human control, developing machines that could pass as humans (as our smart phones will do someday). Unlike the replicants, the claws were always intent on killing humans-thus necessitating a means to tell them