After escaping with Newt and Hicks from the alien planet, Ripley crash lands on Fiorina 161, a prison planet and host to a correctional facility. Unfortunately, although Newt and Hicks do not survive the crash, a more unwelcome visitor does. The prison does not allow weapons of any kind, and with aid being a long time away, the prisoners must simply survive in any way they can.
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.
Following a truck hijack in New York, five conmen are arrested and brought together for questioning. As none of them is guilty, they plan a revenge operation against the police. The operation goes well, but then the influence of a legendary mastermind criminal called Keyser Söze is felt. It becomes clear that each one of them has wronged Söze at some point and must pay back now. The payback job leaves 27 men dead in a boat explosion, but the real question arises now: Who actually is Keyser Söze?