A teen appears dead from an overdose on the beaches of Ritoque, and Commissioner Olivia Fernandez is summoned to investigate. Meanwhile, the young men of The Pack are soon to regain their freedom. Faced with the news, 1616 - the activist group led by Z - take action.
Arrested, Sofia is taken to a secret detention facility. She suffers abuse from the police who want to get to her leader. In the Ritoque investigation, Olivia meets the father of one of the girls who disappeared on the beach, who tries to run a parallel investigation.
Following the enquiry trail, Olivia and Sandra reveal that there was a second party on a yacht. They discover the boat was rented by the owner of a computer analysis company. Meanwhile, Sofia discovers that behind the secret operation there is an old family friend.
Javi infiltrates the world of illegal drugs on the trail of a mysterious dealer. Blanca, Celeste and the 1616 group arrive at the secret detention facility to file a report, but they discover that it has been cleaned up. A deadly attack occurs at a university party.
Olivia begins to investigate what happened at the university and realises that it's similar to what happened in Ritoque. Gonzalo infiltrates The Pack's shock group. In turn, Javi manages to make an appointment with The Alchemist, the creator of the complex drug.
Valenzuela and Francisca organise a meeting with the main leaders of the extreme right. Gonzalo remains in communication with Cero to carry out a kidnapping plan. Meanwhile, Olivia meets with Pardo to tell him about an important discovery regarding his daughter.
Olivia and Elisa take Gonzalo and Celeste to a safe house. Elena and Koch meet and have a discussion in which a hidden truth comes to light. While the parapolice officers arrive at the safe house, Valenzuela receives a call from Z, who offers him a deal he can't refuse.
Javi meets with Franco Duval's brother and something unexpected happens. The 1616 group meets up with Valenzuela; a tense confrontation ensues. At the same time, the trial against Valenzuela and his people takes place.
A complaint of sexual abuse in a wealthy area of Santiago, shakes everyone. While the student girls protest, Blanca Ibarra, their leader, goes missing. The police look for leads and Blanca's sister gets involved in a dangerous online game to help them.
Murillo and Olivia dangerously get closer to "The Wolf's" jaws thanks to Celeste's help in the shadows. The police discover an organisation that marks and attacks specific women, just like it happened with Blanca. The murderers are closer than they think.
In the midst of the investigation and the anguish to find her daughter, Bruno reveals to his wife and Fernández a hidden truth about missing Blanca. A new investigative plot arises in the case that involves Belmar. Other packs join the wolf's game.
As Ossandón casts doubt on the police's ability to find Blanca, her parents offer a reward in exchange for information. Murillo and Fernández understand they're looking for a man who hides behind his packs to mask his psychological profile. A new lead is leaked online.
"The Wolf" has no scruples and, just like in the wild, is more effective and lethal when in a pack. Olivia and her whole investigative team are marked by the dark online game, showing that the perpetrators are willing to do everything in order to accomplish their goal.
Tailed closely by the police, "The Wolf" uses his last resources to wriggle out alive. Olivia's past resurfaces and she confronts her son Gonzalo with an awkward truth, but the detective has bigger problems: death is about to give its verdict on the case.
The three women detectives are about to find the alpha wolf behind the packs, but to do so, they'll have to become a pack of women willing to bare teeth. "The Wolf" keeps claiming victims, although his insatiable hunt is about to reach an end.
The alpha in the pack is a wolf in sheep's clothing and Olivia Fernández has just nailed him. In a race against time to rescue her mate, who now lies in the jaws of an insatiable beast, she must risk her life. The pack is about to lose their alpha, but is he the leader?