Nacho, two years old, is affected by Dent syndrome, a minority disease. There are only fourteen cases in Spain and 250 in the world since it was first diagnosed in the 70s. His is the youngest and most aggressive case ever known. It consists on massive loss of substances such as proteins, calcium or potassium through the urine. His mother Eva, who suffers from another disease, has focused her entire life to save her son. Six months ago she created an association and has become a leader in the media. She is constantly involved in a campaign to raise money for research to find a cure.