It follows Lara as she seeks treatment from a congregation of zealots, where an exorcist will try to save her soul by making an innocent woman go through hell.

After 16-year-old Alice Palmer drowns at a local dam, her family experiences a series of strange, inexplicable events centered in and around their home. Unsettled, the Palmers seek the help of a psychic and parapsychologist, who discovers that Alice led a secret, double life. At Lake Mungo, Alice's secret past emerges.