When Bree Wilson and her husband, Jason, purchase their first home in a small Michigan town, they are enchanted by its 19th century charm and character. Soon after moving in, however, Bree begins to have strange and terrifying encounters with an unknown entity. As supernatural activity in the home begins to spiral out of control, Bree discovers that she is pregnant, and her unborn child becomes the target of paranormal attacks. With the help of an old diary and a quirky medium named Cora, Bree and Jason race to uncover the truth behind the haunting, and in the process, they unearth a long-buried family secret that threatens their very existence.