Interville, conceived and built as an ideal city of the future, is overwhelmed by a wave of crime. Hundreds of people are dying. And the strangest thing is that their killers are not maniacs and rapists, but ordinary law-abiding citizens who, under the influence of powerful psychotropic influences, turned into puppets of some dark, hostile forces. Rick Lubarsky, an expert in anomalous phenomena, shocked by the sudden death of his friend, begins an investigation that completely changes his life and leads to sensational discoveries.