After a loss that consumes him, Augusto turns his anger into a plan for revenge. He will settle scores before continuing his work, a legacy of verses, songs, and murders. Sancho is unaware that his actions will bring tragic personal consequences. Erika receives an unexpected visit revealing a conspiracy behind her mother’s death.

Augusto and Erika’s meeting leaves unfinished business. Augusto heads to Madrid to start his dark plan. Erika travels to Valladolid to find her father’s black notebook. Sancho asks her to help them catch Augusto. Erika reveals he’s in Madrid.

After escaping the police cordon, Augusto leaves a trail of bodies across the country. Michelson dissolves the Interpol team. Sancho, left without a mission, remains obsessed with catching him. Investigating on his own, Sancho finds a hidden pattern in the murders and deduces the next victim will be in Valladolid.

The scheme worked and Augusto was arrested. At the station, the interrogation begins. In the first round, Sancho wins, but in the second, Augusto is cunning, claiming all evidence points to Orestes. They decide to release and watch him, but he escapes. Then Erika tells Sancho Augusto wants to meet her. Is it an ambush?