An attack of a yihadist nature in the Old Town of Bilbao ends up with the lives of seven people and leaves malwounds to more than one thirteenth, many of them gravity. Victims and executioners will be equal parts of the protagonists of a plot in a personal key. narrated by thriller, history treats how these characters live the consequences of barbarism. Police investigation will focus on catching the responsible for the killing. A hunt in which the characters will see themselves in a divergent spiral filled with unsuspected turns