The film stars Blanca Portillo and Luis Tosar alongside Bruno Sevilla, Urko Olazabal and María Cerezuela and is based on the true story of Maixabel Lasa, a woman whose husband, Juan María Jáuregui, was killed by ETA, a Basque separatist group, and who receives an invitation to talk with the killers of her husband eleven years after.

Eleven years later, she receives an invitation for an interview from one of the killers of her husband, who is serving his sentence in a jail at Nanclares de la Oca in Álava, after cutting his ties with the terrorist group.

[2] The concept for the film came from the producers, Koldo Zuazua and Juan Moreno, who received a proposal to tell the story of Maixabel Lasa alongside screenwriter Isa Campo in 2018.

[5] The music for the film was composed by Alberto Iglesias, Javier Agirre Erauso was the cinematographer and Mikel Serrano was the production designer, other credits includes Alazne Ameztoy (sound), Clara Bilbao (costumes), Karmele Soler (make-up), Sergio Pérez (hairsytling) and Nacho Ruiz Capillas (editing).

[8] Jonathan Holland from Screendaily commented that the film is "a beautifully judged and sensitive exploration of the emotional fallout of terrorism".