At the beginning of the 21st century, Tyrell reached the Nexus phase in robot research. Its products were almost identical to humans, and they did not differ in intelligence. Humans used replicants on dangerous expeditions or as slaves to colonize other planets. After a bloody replicant revolt in one of the alien colonies, the robots were banned from Earth under penalty of death. This order was enforced by the Blade Runner Special Forces, charged with finding and destroying replicants who violated the ban...
