BBC Three film, uncovering how gangs operating in cities have expanded their drug operations into the countryside and seaside towns. With astonishing access, the film explores how gang members are using teenage drug runners to sell large amounts of crack and heroin miles away from home. Police, youth workers and the government are all trying to tackle this rising problem. As more gangs are moving into the countryside, the competition, rivalries and violence have increased. We see how this secretive and dangerous trade works, and the impact it has on the young runners at the heart of it, as well as the rural communities across the UK.