However , Beth wakes up and overpowers Mother , hitting her with a wooden chopping board , before escaping the house along with Gina , who has survived her injuries .
Beth is knocked unconscious and Mother sets the house on fire .
Beth wakes up and overpowers Mother , hitting Beth with a wooden chopping board , before escaping the house along with Gina , who has survived Beth 's injuries .
Beth is knocked unconscious and Mother sets the house on fire .