After being diagnosed with Alzheimer's, Pascual León robs a weapon warehouse and kills a judge; Jimena Guerra, the cop investigating the case, finds a mysterious message for her on the corpse.

Jimena goes after the possible murderer of the judge; she confronts Pira and an attraction arises; Pascual fails to kill the truck driver Martinez but kills Adrian, however, he suffers a heart attack right after.

Pascual recovers from his heart attack and kills Erick Santiago; Jimena Guerra determines that this is a serial killer and that Asunción de la Sal must be a key piece in the investigation.

Pascual goes after his next victim: the old man, Julian Baños; after a chasing him around San Pedro, he annihilates him; the old quarrels between Jimena and Rosa come to the surface.

Jimena Guerra discovers Erick Santiago's corpse in Francisco Pira's house; they both decide that they will notify the authorities, even though it makes it obvious that they spent the night together.

Jimena Guerra and Martín Tolsá discover that the official version of the fire at the Salvadorans' house is treated an accident and does not mention any lynching.