A group of powerful men -a mayor, a president of the Provincial Council, a prosecutor, a judge, a commissioner of the National Police and a lieutenant colonel of the Civil Guard- meet once a month in the chalet that the alderman owns in Guadalajara. municipal. The reason? Something apparently as innocent as a reading club: chatting about a crime novel that they agree to read... However, days after the first meeting, the author of the book dies in a traffic accident. The writer's widow mistrusts the "official version" and hires a private detective, who also dies strangely. The friendship of Sonia Ruiz and Pau with her research colleague will push them to investigate the case. Who are these men who gather together? Why did the author of the novel die? How did the detective's accident occur? His investigations begin by finding out who chooses each book that this "elite club" reads.