La sombra azul (2012)

Argentina, 1976. With the beginning of the military dictatorship, a young police officer is accused of belonging to the ERP guerrilla group. He is tortured by his former colleagues and held as a political prisoner for two years. He survives the brutal prison conditions and is released on parole, but a few months later decides to escape the country. Denmark grants him asylum, and he lives in Copenhagen for fifteen years. When he returns, now a democratic country, he discovers that some of those who tortured him were not only still police officers but high-ranking officials.