In the Mexican city of Paracuana, young journalist Bernardo Blanco was brutally murdered. The investigation is being led by the corrupt detective Chavez, and he has already captured the suspect. But the police chief is not satisfied with the results of his work; he entrusts this case to the only honest detective of the city police, Ramon Cabrera. Cabrera discovers that before his death, Blanco was investigating a series of terrible murders of children that occurred many years ago. Following in the footsteps of the journalist, Cabrera realizes that he is on the right path, but then the hunt begins for him...