en Cuevana 3. After 13 years, estranged sisters Isabel and Mariana return to their childhood home in rural Texas to care for their sick father. Determined to reclaim what was stolen from them and end his suffering, they secretly plot his murder. Desperate for revenge and an apology, they unknowingly summon a Duende—a sinister, elf-like creature that appears when someone in the family desires the death of another member.