Season 1 (8 Episodes)

Two girls, Ana and, disappear in the Pyrenees in the province of Huesca. Five years later Ana appears.Santiago Baín and Sara Campos, two Central Operative Unit (UCO) agents arriving from Madrid, take over the investigation on Ana's disappearance and Lucía's whereabouts, partnering with a local officer, Víctor Gamero.

1

Season 1

8 Episodes

6.9Mar 25, 2019

Two girls, Ana and, disappear in the Pyrenees in the province of Huesca. Five years later Ana appears.Santiago Baín and Sara Campos, two Central Operative Unit (UCO) agents arriving from Madrid, take over the investigation on Ana's disappearance and Lucía's whereabouts, partnering with a local officer, Víctor Gamero.

Season 2 (8 Episodes)

2

Season 2

8 Episodes

6.0Jan 13, 2021

Season 3 (8 Episodes)

3

Season 3

8 Episodes

6.8Mar 16, 2023

Season 4 (8 Episodes)

4

Season 4

8 Episodes

7.1Sep 4, 2025