警员尼克在一次巡逻中，运用机智和勇武，力擒残忍又攻心计的毒蝎杀手布雷克而一举成名。恶性不改的布雷克在狱中深以为奇耻大辱，欲寻尼克报仇雪耻，首先他结夥越狱，然后开始依计报复……

　　A group of aliens has come to Earth to learn about its population, customs, etc. To avoid detection, they have taken on human form which gives them human emotions…

　　A group of aliens has come to Earth to learn about its population, customs, etc. To avoid detection, they have taken on human form which gives them human emotions…

　　A group of aliens has come to Earth to learn about its population, customs, etc. To avoid detection, they have taken on human form which gives them human emotions…

　　A group of aliens has come to Earth to learn about its population, customs, etc. To avoid detection, they have taken on human form which gives them human emotions…

四个外星人来到了地球，化身为所罗门一家研究人类的文化。迪克，作为总指挥官的他，扮演了中年父亲的角色，并做了大学的物理教授。莎莉，副指挥官，武器专家，身份是迪克的妹妹。汤米，信息官，真实年龄比迪克大得多，却扮成迪克的儿子，…

　　艾德（约翰·利特高 John Lithgow 饰）是一个喜欢为生活中大大小小的事情提前做好一切准备的谨慎的男人，这本来应该是一个美好的品质，但是糟糕的是，艾德坚定的相信美国在不久之后将会灭亡，于是，在此之前，他要竭尽全力做好万全的…

城市女孩安娜（艾米·亚当斯 Amy Adams 饰）与男友杰里米（亚当·斯科特 Adam Scott 饰）相恋四年，共同申请购买波士顿顶级豪华社区的高尚住宅。安娜本以为杰里米要向自己求婚，失望后听从父亲建议，飞往爱尔兰首都都柏林，打算依照爱尔…