After a friend who sells prescription medication is killed, Dean (Jamie Bell) is confronted by Billy (Justin Chatwin), the high-school drug dealer, who demands he hand over the remaining stash. Dean refuses, causing Billy and his partner to plot to kidnap his younger brother, Charlie (Rory Culkin). However, unaware of what Charlie looks like, they accidentally abduct another boy. When neither parents nor law enforcement believes his story, Dean is forced to go on a rescue mission.