While at a slumber party, twelve-year-old Olivia is blamed for the horrific and mysterious death of her friend after singing a song, created by a reclusive mastermind, Milo  White , which summons a demonic figure known as  The Crooked Man   Returning to her hometown six years later, a string of unusual deaths lead Olivia  Angelique Rivera  to believe that she s still being haunted by whatever she saw that fateful night  Once you sing the rhyme, everyone in the house is cursed to die by his hands