A lonely, sensitive writer, Theodore, has just come out of a relationship. Heartbroken, he decides to buy an advanced operating system called Samantha, but before long, their unique connection turns into an unusual romance.
Theodore Twombly (Joaquin Phoenix) is a complex, soulful and lonely writer who has just come out of a relationship heartbroken. He gets involved in a friendship with an advanced operating system impersonating Samantha (Scarlett Johansson), which eventually turns into a romance.