Alta California, 1845. Alma is a young pottery maker Mexican woman living in an isolated ranch with her mother Josefa. Their relationship becomes increasingly fragile as Alma becomes obsessed with work. When her mother tragically passes away, Alma becomes sick with the guilt of her neglect and takes on an unhealthy amount of work to drown it out. A task that becomes increasingly difficult when a series of supernatural disturbances begin to test her sanity. Will Alma manage to get a hold of her life or lose herself trying?