Ernesto, a writer always in search of his great work, finds an old brass box that contains a photograph of a young couple, Mercedes and Andrés, along with some love letters. He will begin to inquire into the history of the couple through the data that he obtains from the letters. The intriguing image, taken on the day the civil war began, and the possible fate of his two protagonists will help him write his great novel as he becomes a witness to the wounds of love, death and life.
