A group of friends attending a music festival in the desert face a bloody night of terror when an enigmatic pop star named Topanga Cornell recruits her most fanatical devotees to assist in a mass sacrifice ritual at her big return concert.The quest for good vibes quickly becomes a fight for survival as the crew tries to escape Topanga and her gang of blade-wielding obsessive fans she lovingly refers to as her "fawns" who will do anything #ForHerLove.