In a futuristic Los Angeles of 2019, detective Rick Deckard is a highly rated "Blade Runner" assigned to find and kill illegal cybernetic "replicants" - genetic creations with superhuman abilities. Pulled unwillingly out of retirement, Deckard is forced into one last case. Six exceptionally dangerous replicants have escaped from slave labor and made their way into the city, apparently with plans to gain vengeance on the corporate masters who created them. In the course of his investigation, Deckard falls in love with a beautiful woman who holds a disturbing secret, creating additional doubt and confusion in Deckard's mind.
Members of a high-tech security firm find themselves blackmailed into helping a government department steal a "black box.".