Sergeant Sara Campos tries to overcome this and finds a clue that brings her a little closer to Lucía. Ana begins to lose her fear and begin to trust Quim. The facts become increasingly clear: the kidnapper lives among the residents of Monteperdido.

A discovery in the investigation will make Sara doubt Ana: has the girl been hiding something from the beginning? An unanswered question, since Ana has disappeared. While the search is organized to find her, with the parents in suspense, fearing to lose the daughter they had recovered, Sergeant Campos comes to understand what happened during those years of kidnapping, the terrible truth. However, it is possible that, by the time she succeeds, it will already be too late.