Anabelle, a 9-year-old girl, dies mysteriously on the Ramsey Mansion grounds in Boulder, Colorado. In the following days of this unfortunate event, Emily, Anabelle's older sister, begins to communicate with her little sister's soul in her lucid dreams.
At first, Emily believes these dreams were caused by the impact of experiencing the loss of a loved one. But the intensity of these episodes begins to increase gradually, and she is convinced that little Anabelle's soul is somehow trapped in purgatory... and in need of help!.
Emily learns about the dark past of the Ramsey Mansion in her research to find out what happened to her sister and decides to tell her boyfriend, Nathan, about these dreams. Nathan doesn't pay much attention to Emily's stories at first, but when he doesn't hear from Emily for a while, he decides to check on her. Having found out what Emily was researching on the dark history of Ramsey Mansion, occultism, and mystic arts, he believes that she is in danger and decides to follow her footsteps without being aware of what he is getting himself into...