Spain 1952. The country lies in the grip of Franco's ruthless dictatorship. In a Spanish police station, Francesc Viel, a left-wing republican, is forced to recount his past.
"Moebius" is an investigative thriller that does not include police around a case that affects a student at the highschool of La Farga, a seemingly quiet village in inland Catalonia. Mamen, the new math teacher, begins an investigation on her own that will bring to light some secrets long buried in the village.