Rebellion is at the heart of 12 O'Clock Boys, Lotfy Nathan's exploration of Baltimore's outlaw dirt bike culture. Infamous for their on-road antics of popping wheelies and weaving through traffic at speed, the group spends much of its time evading the local police.

For three years the cameras track an adolescent boy who goes by the nickname Pug. He will do just about anything to be accepted into the group and we can only watch on as his desperate mother and other relatives despair over what they can or should do. If you're suffering from withdrawal from the HBO series The Wire, this is a must see.

* This film is showing as part of Documentary Edge Festival 2014. Click here to see more Concrete Playground picks from the programme.