Alpha Dog (2006)

Johnny Truelove is a young Los Angeles drug dealer who, along with his friends, kidnaps Zack, Jake's younger brother, a drug addict who refuses to pay off his debts. However, Johnny will be put in a less advantageous situation than he imagined. A surprisingly entertaining drama that gets darker as it progresses, with a great use of suspense and an accomplished sense of reality that proves shocking. If you've never seen it, don't miss it.