In the sci-fi action thriller Looper, time travel is possible, but 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, is waiting to mop up. Joe is getting rich as a Looper and life is good... until the day the mob decides to "close the loop," sending back Joe's future self for assassination.