Domingos is a quiet person, shy, 'invisible' and we can see that in the repetition of his daily habits: wake up, have breakfast, go to work, come home, watch TV, sleep. The only 'variable' in his life is the presence of Rosinha. One of the only people who notice him. One day, the young woman finds our protagonist lost documents and decides to go to his house to return it. Rosinha will find that Domingos has a terrible secret...