Planet Earth, 9177. The remains of humankind live in a post-apocalyptic environment divided into only two social classes: the ruling king and the oligarchs who inhabit the Representative Building and the poor of the world who hardly survive in the slums built around it. (Sequel to “Dawn Breaks, Which Is No Small Thing,” 1989.)

An jihadist attack in the old town of Bilbao ends with the lives of seven people and leaves more than thirty badly injured. The police investigation focus on catching those responsible for the massacre.