Vitoria-Gasteiz, Basque Country, Spain, 2019. Two corpses appear in the crypt of the Old Cathedral. Police officer Unai López de Ayala, an expert in criminal profiling, must hunt down the ritual murderer who has been terrorizing the city for two decades.
In the summer of 1978, Juan Martin (Mikel Losada), a young man from San Sebastian, goes to stay at a farmhouse in the Tolosan countryside to improve his Basque at a language school. There, he meets the beautiful Ixabel (Ainere Tolosa). Based on the 2006 movie.