When a beautiful stranger leads computer hacker Neo to a forbidding underworld, he discovers the shocking truth--the life he knows is the elaborate deception of an evil cyber-intelligence.

Set in Los Angeles in the slight future, Theodore, a complex, soulful man who makes his living writing touching personal letters for other people. Heartbroken after the end of a long relationship, he becomes intrigued with a new, advanced operating system, which promises to be an intuitive and unique entity in its own right. Upon initiating it, he is delighted to meet "Samantha", a bright, female voice who is insightful, sensitive and surprisingly funny. As her needs and desires grow, in tandem with his own, their friendship deepens into an eventual love for each other.

Caleb, a coder at the world's largest Internet company, wins a competition to spend a week at a retreat belonging to the company's reclusive CEO, Nathan. But when Caleb arrives he finds that he will have to participate in a fascinating experiment with the world's first true artificial intelligence, housed in the body of a beautiful robot woman, Ava. Truths, emotions, and motives are blurred as the relationship between Caleb, Ava, and Nathan intensifies.

Los Angeles, 2019: Rick Deckard of the LAPD's Blade Runner unit prowls the steel & microchip jungle of the 21st century. His job is to track down and eliminate assumed humanoids known as 'replicants.' Replicants were declared illegal after a bloody mutiny on an Off-World Colony, and are to be terminated upon detection. He wants to get out of the force, but is drawn back in when 6 "skin jobs," the slang for replicants, hijack a ship back to Earth. The city that Deckard must search for his prey is a huge, sprawling, bleak vision of the future.