A young woman unleashes frightening demons when supernatural forces at the root of a decades-old falling out between mother and daughter are ruthlessly revealed.

John (Viggo Mortensen) lives with his partner, Eric (Terry Chen), and their daughter, Mónica (Gabby Velis), in California, far from the traditional rural life he left behind years ago. John's father, Willis (Lance Henriksen), a headstrong man from a bygone era, lives alone on the isolated farm where John grew up. Willis is in the early stages of dementia, making running the farm on his own increasingly difficult, so John brings him to stay at his...