In Looper, time travel will be invented – but it will be illegal and only available on the black market. When the mob wants to get rid of someone, they will send their target 30 years into the past, where a “looper” – a hired gun, like Joe (Joseph Gordon-Levitt) – is waiting to mop up. Joe is getting rich and life is good... Until the day the mob decides to “close the loop,” sending back Joe's future self (Bruce Willis) for assassination.
In the year 2042, a man working for a group of killers called "Loopers" (they work for the mob and kill people who are sent blindfolded back in time from the year 2072 by their bosses) recognizes a victim as himself. He hesitates resulting in the escape of his older self.