After five years of neglect on a farm, fifteen-year-old Rosie is brought home, only to be stabbed by her golden-child sister Tiffany in a fit of rage. To protect Tiffany, her abusive parents claim Rosie cannot feel physical pain, turning her into the family's punching bag. When a heartbroken Rosie drowns herself, her family laughs it off as a stunt—until her sudden death unravels their dark secrets and forces them to face a brutal reckoning.