A few days after his grandfather's death, young Igor decides to make a documentary about the history of his family in an attempt to understand why his grandfather, Guilhermino, was obsessed with strange facts that had happened in his city. Thus, in 1990, in the interior of the state Rio Grande do Sul, Igor and his father Nilson interview relatives, friends and people involved in the case in an attempt to undo the bad name of his grandfather, but what they find out is a part of the story of the state, unraveling mysteries related to extraterrestrials, failed space programs and a muddled mission of the Cold War.

Raul and Saul work at the same office. Raul, outgoing and good-natured, comes from a broken marriage. Saul is shy, with a critical and bitter disposition, is recovering from a failed suicide attempt. In spite of their differences, they become quite good friends. But their colleagues begin to wonder whether there's something beyond friendship between them.