After a car heist gone wrong, Sean finds himself in a young offender's institution...aged only 16. A horrifying incident convinces Sean to turn his life around. The army cadet force is a chance for another life. But leaving gang life behind is not going to be easy. Sean discovers a war is being fought - which threatens to explode onto London's streets. The army needs him. Sean has choices to make. And it's not just his own life at stake...