"What is it that makes us human?" asks Dr. Schreber, "Will a man given the history of a killer continue in that vein? Or are we more than just the mere sum of our memories?" This is the question Dark City poses to us. The narration explains to us that the Strangers came from another galaxy. They were dying. They seek to find the secret of the human heart, or soul, or whatever it is …showed first 75 words of 452 total…

…showed last 75 words of 452 total…itself instead of "simply a half-forgotten child hood memory", Proyas explains to us that humanity is above merely it's memories but it's feeling as Murdoch again meets Emma, who has been implanted with a different memory. "I know I love you," says Emma "and you can't fake that" It is a mental exploration of John Murdoch's humanity from the sterile and cold viewpoint of the Strangers that ultimately results in more than they can handle.