After a failed attempt to stop the Iranian drug lords that have kidnapped her daughter, Ferrer is contacted by them again, and this time he doesn't let his partners know about this as he goes to face his enemies alone. Lucía announces she will leave the precinct to live in Almería, much to the surprise of all her partners. Carlos and Lucía get important information that may led to the capture of the two bank robbers that have been at large during the past episodes. While Vera struggles with her growing feelings toward her partner Jaime, she receives a visit from her father, a policeman from Canarias, who patrols with them to her dislike. The robbers from the first episode, Los Guti, return to face their trial, but after escaping, the force of the whole precinct and an enormous sacrifice will be needed to stop them.