en Cuevana 3. The small town of San Carlos suffers an atrocious injustice: the neighboring city of Chillán snatches from them the prize for the "Best Longaniza in Chile". Faced with this blatant theft, a group of people from San Carlos organizes a powerful social movement, which aims to obtain the precious "Denomination of Origin" for their longaniza sausages, and thus repair the damage and recover the dignity of their beloved town.