影片承接《黑客帝国3：矩阵革命》的故事，尼奥（基努·里维斯 Keanu Reeves 饰）和崔妮蒂（凯瑞-安·莫斯 Carrie-Anne Moss 饰）联手归来，继续与AI世界的机械大军展开对抗。在这里，一个是矩阵创造出来，周而复始的日常世界，另一个则是隐藏其后，真实的人类世界。为了弄清楚自己所处的“现实”究竟是真是假，尼奥不得不再次做出选择。

未来的英国社会处于极权统治的高压下，不能容许同性恋者、异教徒等社会角色的存在，人民在黑暗政权下苟延残喘。 这晚，年轻女子艾薇身陷险境，幸得V相助。V是一个永远带着面具的神秘男子，拥有高智商和超凡战斗力。他摧毁了伦敦的标志性建筑，同时也点燃了反政府的熊熊烈火。 艾薇在和V深入接触后，不仅得知了V的神秘使命，还渐渐发现了自己的身世，这也注定了自己和V会是同一条阵线的人。

　　吸血鬼猎杀者杰克（詹姆斯•伍兹 James Woods 饰）有着不同寻常的童年，他亲手杀死了变成吸血鬼的父亲，从小被教会养大。杰克受梵蒂冈教廷委派，在美国猎杀吸血鬼王华生，华生本是一名神父，在七百年前化身吸血鬼，是威力惊人的鬼王始祖。对华生一无所知的杰克小队在任务中损失惨重，只有杰克和一名队员侥幸逃生，华生在屠杀杰克队员的过程中咬啮了一名玩伴女郎卡莲娜，因被吸血鬼咬啮的人在48小时之内可以维持人类思维并通灵吸血鬼王，杰克将卡莲娜带走以便追踪鬼王。教会方面为杰克派来了新的向导——亚当神父，杰克始获悉鬼王的终极目的是夺取圣物十字架，以便能够在阳光下生活。现在有希望能阻止鬼王的人，只有杰克……

The story of Keanu Reeves, from a turbulent upbringing to becoming not only one of the most beloved actors in the world, but also one of the most beloved people.

It has been 73 years since Alex failed and the Humans lost the Cyborg Wars. Since then, the Humans have been enslaved. Scientists have developed a new DNA strain, which could signal the end of the Cyborgs, and they inject it into a volunteer. When the Cyborgs learn of the woman and the baby they list both for termination.

In this wasteland of despair the path to redemption is not clear. But Alex – a mutant created with super human DNA – carries the seed of hope for all mankind. In a struggle for domination that will never end, the Cyborg enemy – designed by humans as weapons without a soul – will not stop until this divine spark of humanity is eliminated. The Cyborgs are back, here and now, and stronger than ever. The terror has returned and we must face what they bring…