A new school year is starting for Ducobu! At Saint Potache school, an exceptional election will take place to elect the student president. This is the start of a somewhat crazy electoral campaign in which the two main adversaries will embark: Ducobu and Léonie. With the help of his friend Kitrish and his many gadgets, Ducobu cheats like never before and wins the election. Amusement park in the courtyard, return from siesta, elimination of vegetables in the canteen… for Latouche, enough is enough!