A teenager is found dead on the beach and Olivia Fernandez investigates. Meanwhile, the young men of The Pack are freed. As a response, the activists led by Z take action, without expecting one of them to end up in the hands of the police.
Sofia is taken to a secret detention facility where she suffers police abuse. In the other investigation, Olivia meets the father of one of the missing girls, who is searching on his own. Finding one of them alive brings some light.
The detectives find out about another party on a yacht rented by the owner of a computer analysis company. While Olivia feels the bond with her son breaking, Sofia discovers there's an old family friend behind the secret operation.
Despite Olivia's opposition, Javi infiltrates the world of a drug dealer. Blanca, Celeste and the group go to the detention facility and discover a clean up. A deadly attack occurs at a party attended by several young female leaders.
Olivia investigates the incident and realizes it's like the events in Ritoque. Gonzalo infiltrates The Pack. Javi takes a meeting with the creator of the drug. As Olivia goes through Elena's stuff, she finds a drawing that looks familiar.
Valenzuela and Francisca organize a meeting with the leaders of the extreme right. Gonzalo remains in contact with Cero to carry out a kidnapping. While Olivia meets with Pardo to tell him about a discovery she made regarding his daughter.
Olivia and Elisa take the kids to a safe house. Elena and Koch have a talk where a hidden truth is revealed. Jorquera questions whether to turn in Olivia. While the paramilitary officers arrive, Z calls Valenzuela and offers him a deal.
Javi meets with Blas Duval and the unexpected happens. The group meets Valenzuela and a confrontation ensues, while the trial against his people takes place. But Francisca continues to keep the party alive. The Pack promises to return.