The arms company PLY-Industries suddenly has every reason to be concerned: dozens of employees in the bacteriological war research department are unknowingly infected with the new psycho-drug "Return-3". When the side effects, such as anxiety and hysteria, manifest themselves in telepathic abilities, the company takes action. A mass layoff is followed by a veritable purge. Specially hired hit squads are tasked with clearing out the infected before they can jeopardize the company's monopoly position and image. One of these killers, Verve Helios, penetrates deeper and deeper into a swamp of drugs, violence and perversion during his "jobs". Helios, the "Cleaner", discards all forms of discipline and conscience and becomes a major threat to everyone involved...