Created by Pau Freixas and Pol Cortecans, Los Sin Nombre has started filming in Barcelona. Later, they will film in other Catalan towns. The series is a psychological thriller starring Miren Ibarguren, Rodrigo de la Serna, and Milena Smit. The cast is completed by Dani Pérez Prada, Susi Sánchez, Pablo Derqui, Ana Torrent, Elvira Mínguez, Eva Santolaria, José Manuel Poga and Francesc Garrido, among others. It is a new original Movistar Plus+ series produced in collaboration with Filmax and directed by Pau Freixas. It will premiere in 2025.

The series is an adaptation of Ramsey Campbell's novel, The Nameless, and tells the story of Claudia, a woman who loses her daughter Angela in a traumatic way only to discover, years later, just as she begins to recover from the trauma, that her daughter may still be alive. "Mom, it's me, Angela. Please come find me!". It is the shocking phrase Claudia hears on the phone, and that will give her hope.

Claudia will then turn to Salazar, the inspector who handled the case after the disappearance, and to Laura, the young woman whose life was saved by Angela, a special girl with a strange gift, after a terrible traffic accident. Together, they will follow the trail of the little girl through mysterious places that hide a terrifying truth.