A murderous religious cult is way-laying travellers and stealing goods in nineteenth century India. As the disappearances mount and trade becomes difficult, the British East India Company is forced to act. But they give the job to an upper-class officer completely out-of-touch with the country rather than the obvious candidate who has been in India for years and well understands the people and culture.
Wanting to get a higher paycheck as a nurse, Rose accepts an assignment, taking care of Peter, a crippled old man with dementia. While staying with the old man, Rose suffers sleepless nights feeling like something or someone is watching her. As she starts having creepy visions and paranormal experiences, she realizes that something is strange about the old man.