Employed as a night-nurse for an ailing elderly man, young caregiver Emily arrives at an isolated house for her first shift. After stepping inside the house, Emily is unable to shake a growing sense of dread. As the night draws on, unease blossoms into terror as signs of a supernatural presence grow increasingly harder to ignore. Desperate to escape the premises, yet unwilling to leave the old man behind, Emily is forced to confront the dark secrets which lie buried in the house.