Orphaned Ava Thorn has grown up next to the town of Burden Falls' infamous waterfall, whose waters are said to be cursed and, not to mention, haunted by the specter of Dead-Eyed Sadie. Dead-Eyed Sadie has been plaguing Ava in nightmares ever since her parents' horrific accident, but thus far she has never imagined the stories might be true--until her close friend is brutally murdered and Ava finds herself the prime suspect.