A teenager 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 group of activists led by Z -take action without expecting that one of its members will end up in the hands of the police.

After being arrested, Sofia is taken to a secret detention facility. She suffers abuse from the police who want to get to her leader. In turn, 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. Finding one of the missing girls alive in Ritoque brings some light.

Following the investigation trail, Olivia and Sandra reveal that there was a second party on a yacht. They discover that the boat was rented by the owner of a company linked to computer analysis. Meanwhile, Olivia feels that her bond with her son Gonzalo is breaking day by day. Sofia discovers that behind the secret operation, there’s an old family friend.