When Sara Bishop loses her mind, and tries to kill herself over her mother’s death she wakes up to find police standing over her, accusing her of the murder. They lock her up in the hospital so they can decide whether or not she is fit to stand trial. It is there that she is forced to accept the fact that her life is over, until a mysterious event sends her all the way across the country to her grandmother’s house in Maine.
Sara knows that something strange happened to her mother, and that her grandmother knows what happened, but Margaret won’t say a word. She just keeps telling Sara that she’s delusional. Sara’s not buying it, so she decides to find answers wherever she can.
Something is after her. She doesn’t know what it is, just that it’s wearing human skin, and it killed her mother. She needs to know how to fight it, and her grandmother won’t be any help.