 Since the climatic reheating, black truffles start to proliferate in the grounds of the popular district of Hochelaga-Maisonneuve. Alice (Bonnier) and Charles (Dupuis) try to take advantage of the situation benefiting by this new gold rush. The inhabitants of the place experience this exceptional opulence for a while, but what they do not know it s that a disturbing company of mysterious origins has just installed its registered office in the district. Their objective: to control the world production of black truffles...