On the mean streets of London’s East End, Montana (McKell Celaschi-David) discovers that the powerful crime lord Slavko and ruthless lieutenants Pitt (Adam Deacon) and Ryan (Ashley Walters) for whom he works secretly killed his father. At the same time Dimitrije (Lars Mikkelsen), a former Serbian commando, comes looking for the gangster in order to take revenge for the death of his wife and son. Realising that they share a bloody purpose, Dimitrije mentors the boy in the arts of hand to hand and gun combat and together they rediscover the value of life as he teaches the boy the true meaning of friendship, honour and respect.