在远离喧嚣的崇山峻岭之中,原始密林中央,贝拉(克里斯汀·斯图尔特Kristen Stewart 饰)与爱人爱德华(罗伯特·帕丁森 Robert Pattinson 饰)以及友人们展开难得的幸福生活。贝拉正在学习控制体内躁动的吸血鬼欲望,因为她即将面对那个她和爱人共同孕育出来的小生命蕾妮斯梅。一切都得到修复与改善,小女孩在父母长辈的呵护下快乐成长。但是她们离群索居的秘密最终被艾瑞娜(玛姬·格蕾斯 Margaret Grace 饰)窥见。 传说吸血鬼孩童因心智不成熟容易带来难以预料的灾难,因此必须被族人残酷抹杀。听取了艾瑞娜的报告,远在意大利的沃尔图里家族渐次逼近。贝拉坚信女儿绝非血族,云集世界各地的库仑家族与狼族相继云集密林木屋,一场史无前例的战争即将展开……The final Twilight Saga begins with Bella now a vampire learning to use her abilities. And happy to see her daughter, Renesmee is flourishing. But when someone sees Renesmee do something that makes them think that she was turned. This person goes to the Volturi, because it is a violation to turn a child. And the penalty is death for both who turned the child into a vampire and the child, cause they deem a turned child too dangerous. Alice gets a vision of the Volturi coming after them. So the Cullens try to convince them that Renesmee is not a threat. So they ask friends and family to come stand with them. But when someone who has it in for the Volturi shows up and tells them they should be ready for a fight. And they get ready.