An airliner explodes over the Atlantic leaving 345 people dead. Crash investigators suspect terrorism, but they're getting nowhere. A distressed 12-year-old calls a police hotline and blames his father for the explosion. It could be a breakthrough, but there's no hard evidence.

Every CHERUB agent comes from somewhere. Dante Scott still has nightmares about the death of his family, brutally murdered by a biker gang. Dante is given the chance to become a member of CHERUB, a trained professional with one essential advantage: adults never suspect that children are spying on them. But when Dante joins James and Lauren Adams on a mission to infiltrate Brigands Motorcycle Club, he's ready to use everything he's learned to get revenge...

In order to contact his parent, an illegal weapons dealer, CHERUB comes up with a plan to break the son out of his maximum security prison, but the plan is complicated and will require all their collective skills.

When James is given the mission of digging up leads on Leon, a small-time crook with big money, James unravels a larger plot than expected with the only person who might know the truth being a deceased eighteen-year-old boy.

James is recruited into CHERUB, a secret division of MI5 which consists of teenage spies. He successfully completes his training and goes on his first mission.

When an MI5 operation goes disastrously wrong, James Adams needs all of his skills to get out of Russia alive. Meanwhile, his sister Lauren is on her first solo mission, trying to uncover a brutal human trafficking operation. And when James does get home, he finds that his nightmare is just beginning ...CHERUB agents have one crucial advantage: adults never suspect that children are spying on them.