Ana (Grace Van Patten) is transported to a dreamlike land where she joins an army of girls engaged in a never-ending war along a rugged coast. Under the leadership of Marsha (Mia Goth), Ana trains as a sharpshooter and discovers newfound freedom and courage in this unbridled and exhilarating sisterhood. Though she finds strength in this thrilling new world, she comes to realize that she’s not the killer they want her to be.