Follows Lucía de Avellaneda as she celebrates her engagement party with the Marquis of Peñarrosa, but her fiancée receives a letter from a woman claiming to be her mother requesting her to come to her deathbed.
Manuela is a young woman who lives in a cabin where she studies the Andalusian wetlands. Her life revolves around watching birds. A few kilometres away, Alba lives completely neglected, a seven-year-old girl whose mother, Yolanda, works at night.