The series is an adaptation of the novel
La sonata del silencio, authored by Paloma Sánchez-Garnica and a best-selling work in Spain in 2014. The episodes were directed by Iñaki Peñafiel and Peris Romano, whereas the adapted screenplay was authored by Rodolf Sirera, Peris Romano, Sergio Barrejón, Anaïs Schaaff and Javier Olivares. The score was composed by
César Benito. Filming started by October 2015. Outdoor shooting locations included the in
Malasaña, Madrid. The series, consisting of 9 episodes, premiered in
prime time on 13 September 2016 on
La 1, the
TVE's flagship channel. The broadcasting run ended on 1 November 2016. It averaged unimpressive viewership ratings, with a 10.3% share of audience only slightly above the channel's average. ==Episodes==