The misadventures of the inhabitants of the imaginary Castillian village of Tellería, located in the center of the Basque Country, which seeks to become part of Switzerland.Tellería is a fictional 700 years old town that politically belongs to the Automous Community of Castilla-León despite to be located in the Basque Country (north to Spain), which inhabitants want unsuccessfully to change of community from Castilla-León to Basque Country from much time ago. In the same day that Antolín, town's mayor, makes a new attempt just to learn that it was rejected again, his son Gorka back to the town with his job partner and love interest Yolanda to investigate town's church past, managed by town's priest Don Anselmo. When by chance Yolanda falls to the under ground due to the unfinished works made by well-known historian and archaeologist Peio, she finds a medieval sepulcher, discovering that it's the tomb of Walter Tell, son of legendary Swiss hero William Tell. Finding an ancient documents that prove the creation of Tellería (Tellstadt in English and rest of languages) as a gift given to Walter Tell after his help to the King of Castile Alfonso XI in a ...