蛰伏2年之后，多姆(范·迪塞尔VinDiesel饰)与布莱恩(保罗`沃克PaulWalker饰)再度联手把火车中的神秘豪车盗走，遭到了警察和黑帮分子的火线追杀。布莱恩和米娅(乔丹娜·布鲁斯特JordanaBrewster饰)到里约寻找援兵，并与多姆会和。为了寻找多米等人的下落，FBI王牌探员卢克(“巨石”道恩·强森DwayneJohnson饰）挺身而出，组成精英部队，追查来到里约。他雇佣了丧夫的美丽女警艾莲娜(埃尔莎`帕塔奇ElsaPataky饰)，一同寻找多姆。与此同时，里约的地头蛇也对这些不速之客开火，三股势力开始相互缠斗。期间，因米娅怀孕，布莱恩决定陪她一起逃亡，所以多姆只得依靠昔日老友探寻新车的秘密。在罗曼、韩等人的帮助下，多姆终于找到了这辆车的秘密——芯片，并由此揭开了其中隐藏的一个不可告人的计划……

雷诺警局的八个半调子警员在喜好穿短裤、频频要求调离的吉姆（托马斯•列农ThomasLennon饰）带领下奔赴迈阿密参与一个全警察系统的会议，抱着享受阳光海滩希望的一行人抵达后，才发现他们居然完全被组织方忽视，八人无奈之下只得暂住简陋的汽车旅馆，岂料会场中的2000名警察遭遇恐怖袭击，全体中毒，迈阿密海滩陷入了没有警察的窘境，代理市长只得拜托八人负责这一地区的治安。懒散成性、毫无责任感的八人把维护治安变成了一场荒诞的大戏，他们炸鲸鱼尸体、被当地贩毒团伙头目莫名其妙的拷问后哭天抢地地求饶、女警员酩酊大醉后胸口多了一个陌生男人头像的纹身……代理市长无法再忍受他们搞砸一切，将他们驱逐，满怀愧疚的雷诺警员们登门道歉，却意外发现了代理市长和毒贩头目的诡计。

Thelma Jordon, late one night, shows up in the office of married Assistant DA Cleve Marshall. Before Cleve can stop himself, he and Thelma are involved in an illicit affair. But Thelma is a mysterious woman, and Cleve can't help wondering if she is hiding something. Thelma has a plan up her sleeve that will ruin Corey if his love for her and his own weakness win out. Thelma has a heart and a conscience. She comes to love Cleve, and has concern for his life and his future. Despite her wish that her life could be different, she realizes that she belongs in a lawless world.