It’s Halloween, and Ducobu is back for an adventure brimming with laughs and mysteries! Professor Latouche and Miss Rateau move into a house… haunted by the ghost of Anatole, the biggest dunce in the history of the Saint-Potache school. This mischievous ghost sweeps Ducobu, Léonie, their parents and Kitrish into a series of misadventures as funny as they are unexpected. But beware: on Halloween, anything can happen…