Gemma:"My parents are incompetent. They haven't got a clue..." Tar: "I know it sounds stupid, but it was like the flowers had come out for Gemma..." Lily: "They did everything they could to pin me down...my mum, my dad, school..." Rob:"We stood for a while breathing big long breaths of air. It was cold and pure...You could feel it inside you, doing you good." How do these teens come to run away from home? To be users? Addicts? As their stories intertwine...