Joe (Joseph Gordon-Levitt) is getting rich and life is good... until the 日 the mob decides to "close the loop," sending back Joe's future self (Bruce Willis) for assassination.
In this futuristic action thriller time travel will be invented-but it's illegal, 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" is waiting to mop up.