It's hard to trust everyone. That's what Curtis '50 Cent' Jackson learns in the gritty urban drama "Gun" (2010). Jackson plays a gun runner who suspects someone in his crew is a rat after a deal goes wrong. He teams up with an old friend to clear his nameoff rivals. The new reunion upsets the gun runner's girlfriend as her interests as an independent drug dealer is diluted. Many dark truths are unraveled through the course of action and shake each one of them to the core. Anna Lynne McCord, Malik Barnhardt, and La La Anthony also star.