With the discovery of an incoming asteroid, the government of America formulate a plan to destroy it. When the plan fails, all the world can do is wait. The main impact zone is revealed to be Dallas, Texas. Generally, the plot follows the lives and reactions of several characters: an astronomer, her father, her son, two firefighters from Kansas, two young doctors in Dallas and the heads of the government agency in charge of the situation.

A screenwriter does research for his new script by actually kidnapping and drowning young girls. He then places them in his "garden" of other dead girls coming back daily to check on them. One girl narrowly escapes and the other bodies are found leading to an ingenious plot to try and capture the killer.

After Ziva's apparent death, Tony raises their daughter Tali. Years later, Ziva returns, and reunites with Tony. Tony's company is attacked, the family goes to Europe, trying to learn who's after them and to trust each other again.

表面上看来，麦克斯（杰西卡·阿尔芭 Jessica Alba 饰）是一名十八岁的普通快递员，但实际上，经过基因改造而成为了超级武器的她曾是美国秘密组织基因改造兵团中的一员。麦克斯因为超常的战斗能力而被军方禁锢，之后，无法忍受如同囚徒一般的生活的她以身试险逃出了基地，回归到了自由的生活之中。
一次偶然中，记者罗根（迈克尔·韦瑟利 Michael Weatherly 饰）识破了麦克斯的真实身份，以此为要挟，罗根要求麦克斯利用自己的能力帮助他做一些“除暴安良”的秘密工作。与此同时，美国政府一直都没有放弃过对麦克斯的追踪和追捕。身处如此险境，腹背受敌的麦克斯会有这怎样的命运呢？