Early in the 21 Century, the Tyrell Corporation advanced Robot evolution into the Nexus phase - a being virtually identical to a human - known as a Replicant. Replicants were used Off-world as slave labor, in the hazardous exploration and colonization of other planets.
Now, on Earth, the Nexus 4 Replicants have been adapted for societal elites to own for industry and service work. But, Tyrell continues to experiment with further enhancements. Because progress stops for no man.
After the apparent suicide of Dr. Lydia Kine, a Tyrell Corporation bioengineer, was determined to be a murder committed by a Replicant, LAPD Detective Cal Moreaux is tracking the presumed killer: a Nexus 5 prototpye.
Meanwhile, Effie accessed the Tyrell Corp's Replicant program, while a suspicious Ilora searched her apartment, looking for whatever secrets she and Dr. Kine had... but the secret was well kept, even from Effie: Dr. Kine had transferred her consciousness into a Replicant name ASA. Failing to convince Dr. Kine's brother, Marcus, that he was once his sister, Asa went to Dr. Kine's apartment to retrieve proof, only to find Cal Moreaux waiting...
