Twenty-two years ago, Claire Campbell’s older sister, Natalie, disappeared shortly after her eighteenth birthday. In the decades since, Claire has attempted to forget her traumatic past until a call from her father forces her to come back home. Claire decides  to accept a seasonal job at Galloway Farm. At first glance, Galloway is an escape for Claire. However, as Claire starts to settle in, she stumbles across an old diary, that  describe details of unsolved crimes. Claire finds herself becoming more secluded as she starts to obsess over the diary and the feeling that her own sister's disappearance may be somehow tied to it all.