The story of Julia, a woman currently living out the life that her mother and future husband have planned for her. But just as she is about to get married, she discovers a great family secret that will change her forever. On the verge of a nervous breakdown, she decides to get away and finds refuge in a secluded town in the mountains of Madrid where she will have a complicated mission: to take control of her own destiny.

Sarja perustuu Manuel Jaboisin kirjaan "Nos vemos en esta vida o en la otra". Se perustuu kirjailijan tekemiin Gabriel Montoya Vidalin ("Babyn") haastatteluihin vuonna 2014 ja kertoo Babyn osuudesta suurimpaan Euroopan mantereella tehtyyn jihadistien terrori-iskuun maaliskuussa 2004.