俊男美女被困“地狱岛”,逃离方法只有一个:每晚与某人成为情侣。配对成功的人当晚可搬去“天堂岛”,享受优质食物和住宿,而未找到伴的人,晚上得在“地狱岛”自力更生。Sue is determined to keep the children safe, and in doing so, struggles with whether or not she can trust Mother. Meanwhile, a new threat arises and an increasingly erratic Marcus causes the Mithraic to question their leader.