In a cyberpunk vision of the future, man has developed the technology to create replicants, human clones used to serve in the colonies outside Earth but with fixed lifespans.

• 2019年，洛杉机变成乌烟障气的九反之地。人类制造了与真人无异的复制人为人类工作，但当这些复制人有了思想感情时就要将他们毁灭。