The guys from the Cherub squad sacredly keep their secret. No one realizes that they are well-trained professionals. Under reliable cover, these children infiltrate criminal organizations that have been leading both the police and intelligence services by the nose for many years. Twelve-year-old James Adams receives a serious task: to help arrest one of the largest drug traffickers in Europe. To cope with such a powerful enemy, the boy will have to use all his strength and knowledge.