New back to school for Ducobu student. But this year, a major rival for Ducobu arrives at school: "TGV", the king of cheating. The two dunces will have to unite their creativity to win a song contest and save their school.
The worst teachers of France landed in England for an ultra-secret mission. With Boulard, the King of the Dunces, they are parachuted in the best school of the country, and they will apply their famous methods on the future of the nation.