This movie is based on a novel that was being written by Marçal Aquino and wasn't finished yet. Marçal wrote the end of the novel and released the book after the movie.
Film debut of rapper Sabotage. He also contributed with the music and the dialogues of Paulo Miklos's character.
It has been compared with the tale of the "Three little pigs". In a interview the director was asked about the similarities of the stories. He laughed but refused to confirm if the comparison was true.