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...

In this surrealistic nightmare vision of a "perfect" future where technology reigns supreme, a daydreaming bureaucrat who is involved with an underground superhero and a beautiful mysterious woman becomes the tragic victim of his own romantic illusions. This is the original 142 minute director's cut edition of the film assembled from both the European and American versions.