
Five years after the death of several innocents at a local school, a brutal crime reunites again sheriff Eugenio Benítez, ex-cop Renzo Márquez and psychiatrist Laura Santini, all at the time a headstone shows the faith of The One Who Never Should Have.
After the death of The One Who Never Should Have, Renzo and Martín decide to work together. Their investigations drive directly to to the father of one of the dead boys on the incident at the school. Meanwhile, Laura is stalked by the killer, who tries to force her to be with Renzo. One old debt will inspire the epitaph of the potential new victim, The One Who Refused to do the Right Thing at the Wrong Time.