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 better to his father. Following the trace of the obituaries, Lucía and Carlos discovers that the story starts in 1958, when a young Gonzalo travels to Jérez de la Frontera, Cádiz (Andalusia, south to Spain) to meet his close friend Hernán, a vintner belonging a long-tradition family of grapes cultivators to produce wine, hoping to design his new big wine cellar. Living in the family house, Gonzalo meets Hernán's parents Mercedes and Evaristo, his young sister Adela, and to his promised-to-marry girlfriend, Lucía. Quiet and man of few words, Gonzalo lives for his job even ignoring Adela's love interest on him. But their plans for success force Hernán to travel Sevilla to close an important deal, leaving Lucía as temporary boss. Working with her, Gonzalo feels attracted to her, learning that their marriage is arranged by their respective families to increase their riches. Realizing that Gonzalo is fall in love with her, Lucía agrees to his love and the two live in secret their passion, but two unexpected troubles appear on their way: Hernán returns to home before the time and Adela discovers Gonzalo's affair with Lucía, dying while she was escaping of Gonzalo when she falls to a well hide by old planks. According Isabel and Carlos continue investigating, they not only discover the consequences of Adela's death and the ultimate fate of Lucía, but the effect that the story have on themselves.