On Chiloé Island in 1880, Rosa Raín, a young Huilliche girl, seeks justice after her father is brutally murdered by German settlers, leading her to join an organization of sorcerers called "La Recta Provincia". With the help of Mateo, a powerful indigenous elder, Rosa discovers her own supernatural abilities and embarks on a quest for vengeance against those who destroyed her family. The film blends elements of fantasy and drama, exploring themes of colonialism, identity, and the power of ancient traditions.