Mario must go urgently to see Miguel, his father, since he was hospitalized for a serious neuronal disease. Miguel's brain now lives cloistered in the past and can not differentiate the present from the memory. He is obsessed with finding a woman named Diana. Who is Diana? This question prompts Mario to investigate the story of his father, of whom he knows only the headlines. As Miguel's illness intensifies, the unknowns and clues that Mario discovers about his parents' history become more complex and mysterious. A couple whose love is crossed by their ideals, has to decide whether to move from political activism to armed struggle. Despite the pain and losses, The passion and intensity of those years make Miguel in the present is stuck in a past where he felt he could change the world together with the love of his life. A story of love, passion and risk of life, of flight and survival at the highest cost, in a dark time in Argentina.