A love letter from the Author to his eldest daughter, a man observes the decline of humanity in the year 2050, private investigator Mário Silva facing the mystery of a young woman who has run away from home. These are some of the tales that make up this book. Author's works on the site: Rondônia, They want to kill Isaias Bergamo, The secret war, News of a crime, Erica no longer dreams and The Rafaela case.