本片根据美国女作家斯蒂芬妮·梅尔的畅销小说《暮光之城:破晓》改编,是该作的终结篇,由于篇幅过长被分为了上下两部。 贝拉(克里斯汀·斯图尔特 Kristen Stewart 饰)与爱德华(罗伯特·帕丁森 Robert Pattinson 饰)历经磨难终于踏进了婚姻殿堂。婚 后爱德华和贝拉去艾思蜜岛上渡蜜月,度过了一段快乐的时光。不久贝拉发现怀孕,蜜月提前结束。狼族担心胎儿会对族人构成威胁决定除掉它。雅各布(泰勒·洛特纳 Taylor Lautner 饰)为保护贝拉离开狼族,连夜警告库伦家。胎儿生长迅速令贝拉吃尽苦头。爱德华不忍看她受苦希望她放弃孩子,但贝拉却坚持要生下。分娩当晚,贝拉大量失血,在她命悬一线之际,爱德华将装有自己吸血毒液的针管插进贝拉心脏。另一边王族也注意到了这个新生儿,一场撼动吸血鬼、狼人和人类世界的对决正悄悄来袭......After Bella and Edward's honeymoon, things take a turn for the worse when Bella realises she is pregnant. The baby grows at an abnormally fast rate and causes many health problems to Bella. The wolf pack see the unborn child as a threat and plan to get rid of it. But the Cullens do everything they can to ensure that both Bella and the unborn child remain safe.