João Ernesto Ribamar is a corrupt politician running for the presidency. He is in the runoff election, ahead on the polls, when he receives a "mandinga" (curse) from his grandmother, which makes him unable to lie. Now the problem begins: How to win an election by telling only the truth?
The Detetives do Prédio Azul are faced with the biggest case of their lives: saving the building itself from destruction. Pippo, Sol and Bento infiltrate Dona Leocádia's party, the terrible manager who is literally a witch. There they witness a "magical" crime, which condemns the Blue Building to an emergency demolition.
During Expo-Bruxas, the largest wizard fair in the world, Pippo, Bento and Sol travel to Italy to investigate the disappearance of the sorceress Berenice, who was kidnapped by the wizards Máximo and Mínima Buongusto. With teamwork and the help of Pippo's grandmother, they will try to solve this mystery.
