达瑞斯（塞缪尔·杰克逊 Samuel L. Jackson 饰）曾是一名令业内人士闻风丧胆的超级杀手，如今已经缉拿归案的他屈居在铁窗之后，等待着漫长的刑期到头。达瑞斯的妻子索尼娅（萨尔玛·海耶克 Salma Hayek 饰）同样身陷囹圄，某日，达瑞斯得到了一个意外的机会，能 够令索尼娅重获自由，

　　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

　　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

　　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，通过在学校受教育来搜集人类的各种资料。哈里，身份是迪克的弟弟，其实是小团队联

　　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

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 hu

　　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