The plot revolves around a future wherein time travel has been invented, but is illegal. The mob uses the technology to send targets 30 years into the past to get snuffed by special hitmen called loopers. A looper named Joe (JGL) is living large, until one day the mob puts a hit on his future self (Bruce Willis), and it's up to Joe to "close the loop."
Also starring in Looper are Emily Blunt, Paul Dano, and Jeff Daniels. The film is set for wide release September 28th.