In 1923 Soacha, Colombia, La Casona - a mansion perched above the Salto del Tequendama waterfall - was once home to Antonia and her family, who settle in despite the house's malevolent spirit. Tragedy strikes when Antonia's mother takes a fatal fall into El Salto and her father, consumed by grief, attempts to burn the house down with Antonia still inside. Three years later, Antonia wrestles with unsettling questions. Was her mother's death by her own hands, or was it by someone else's? In a riveting quest for answers, Antonia must navigate the shadows of La Casona, unearthing its darkest secrets and confronting a legacy that threatens to swallow her whole.