The plot revolves around two major drug dealing gangs in the turf war surrounding the collapse of KMG (Keith Moore's Gang) (See CHERUB: Class A). Gabrielle O'Brien and Michael Hendry are sent to infiltrate the infamous 'Slasher Boys', led by a man who calls himself Major Dee. Later on Gabrielle is stabbed badly in the stomach and back and is sent back to campus. Michael Hendry still stays. In the first part of the book it describes how James Adams15 years old, and his new girlfriend Dana 16 years old, are helping on the last few days of Basic Training as instructors. While there Mr Kazkov is accidentally knocked out when a kid Kevin throws a smoke canister at him. The seven trainees, realising it will be ages before Mr Pike and Dana get to the tents, attack James, his arms and legs are tie