Mudar la piel

剧情：

Juan is a mediator that struggled for peace between the ETA and the Spanish government. Roberto is the agent of the secret service who infiltrated his life for years. The Spy Within follows the story of the director’s father Juan and the man, Roberto, who spied on him — their friendship remained despite the betrayal. It also chronicles the filmmakers’ relationship with Roberto and their struggle to understand who he really is.