That is the text message social worker Naomi gets from Regan, a teenage girl that she has placed into a Catholic orphanage. When Naomi goes to investigate, she discovers that the priest is missing and finds Regan tearfully insisting that "she didn't kill him". Naomi inquires with the nun, Sister Rosemary, who insists that the priest is merely on vacation in Mexico...But Regan sticks with her story, telling her social worker that the nun has "cast a spell on her."
Naomi dismisses Regan's rant as coming from a girl with an overactive imagination, until she discovers a supernatural evil that she cannot explain...