Cobb, a skilled thief who commits corporate espionage by infiltrating the subconscious of his targets is offered a chance to regain his old life as payment for a task considered to be impossible: "inception", the implantation of another person's idea into a target's subconscious.
A depressed musician reunites with his lover. However, their romance, already played over several centuries, is disrupted by the arrival of her uncontrollable younger sister.
