Don’t tell anyone is a documentary miniseries that deals with the real crime that occurred in the summer of 2016 in Pioz, a small town in La Alcarria, where the lifeless bodies of a Brazilian couple and their two children, 1 and 4 years old were found. Patrick, a 19-year-old nephew of the family, was the murderer and the case took on a new dimension when it was revealed that he had shared the crime via WhatsApp with his 17-year-old best friend who lived in Brazil. The details circulated among the gang of friends, thus facing the dilemma of denouncing or leaving unpunished the murder of an entire family.