In 1905, a man travels to a remote island in search of his missing sister who has been kidnapped by a mysterious religious cult.
After a list of names is found in the shoe of a dead woman, one of the named people begins investigating and is drawn to the The Pale Horse, the home of a trio of rumored witches living in a small village. Word has it that the witches can do away with wealthy relatives using dark arts.
In a rambling, isolated house, Emily’s first night-shift as carer to an elderly dementia patient turns into a nightmare as she is tormented by a vengeful spirit and uncovers the house's dark secrets.
