1998. Isabel is a young girl who moves Vigo, Pontevedra (Galicia, northwest to Spain) to make her practices as journalist, but her new boss Don Mauricio only orders her the section of the obituaries. Reluctant to make the job, in her first day she receives an anonymous letter about a woman named Lucía. Talking with Don Mauricio, Isabel each year in the same day since 15 years ago the newspaper receives the same obituary, but this last letter, that it was sent before the usual. Puzzled about it, Isabel gets permission of Don Mauricio to investigate, discovering that the man responsible to write the letters, Gonzalo, lives in a house close to a riff. However, when she travels to the place, she not finds Gonzalo but Carlos, Gonzalo's son, who explains her that his father passed away a few days ago. Telling him the obituaries Gonzalo wrote, Carlos accepts Isabel's offer for working together to investigate about Lucía not only because Lucía wasn't his name's mother, but the chance to know ...