While at the police station they desperately search for the baby kidnapped by Mendieta, Márquez, Iago and Sebas enter the tunnels of the Victoria Building in search of answers. Laura remains unconscious while Marquez comes to his aid. Now he is convinced that he must provide the cure for the tumor. Santos leaves the detoxification clinic. Dejected after learning that Laura has kissed with Márquez, he gets hooked again. Susana discovers her deplorable situation and tries to help her.
Márquez and Sebas discover tunnels under the Victoria building. Iago enters them in search of answers and will face a terror beyond the limits of logic. The relationship between Iago and Susana goes through a sweet moment. But while he makes her happy with original surprises, David will try to regain his love. Santos decides to go to a clinic to overcome his addiction to alcoholism. He will not be alone in these hard times: Marquez and Sebas will support him while Laura is still hurt.
Orders of leaving the Victoria Building case reach the precint, but Marquez insists on continuing on his own. He and Lola will contact Augusto Mendieta, a powerful and dangerous person. Iago continues searching for answers. With Sebas' help, he asks the elders of the neighbourhood about what happened at the Victoria Building during the Civil War. Their answers are surprising. Laura suspects something weird links Marquez with her dead husband, with affects negatively her marriage with Santos. Meanwhile, Bea suffers the constant presence of the ex militar, now turned into a ghost.
After the party, Sebas brings Rebe by car to the student residence where she lives. Sebas leaves but realizes that the young woman has left her wallet and returns to give it to her. Upon arrival he sees Rebe getting into Vero's car. Sebas, surprised, decides to follow them and begins to suspect that they hide something. Aware that they are being watched, several members of the Gateway walk down to Earth to escort Marquez and Iago to a safe place to meet with the Director. Marquez is skeptical of the meeting and does not expect to be given information about what happened with Laura and her daughters.