先是同名的卡通片自60年代以来在美国电视网上播出，继而被译成22种语言在80多个国家播出。后由史蒂文.斯皮尔伯格的制作公司改编成故事片。1993年正式开拍。故事的背景是公元前二百万年，恐龙的石器时代，某个小镇住着一群石器时代的原始人，但他们的意识却非常现代。聪明的弗雷德用石头、动物骨骼和毛皮制作出电话机、照像机甚至影印机。家庭厨房设备还有以猪提供动力的环保型垃圾处理装置。最重要的当然是片中的人物关系，可以说是以古喻今，对当今美国人如何高速家庭关系也有借鉴意义。

本片刻画女人为保青春永驻,彼此间的猜忌,虚荣心态.

Alain Moreau (Jean-Claude Van Damme) is a cop in Nice, France. Alain is at a funeral that is being held for a fellow cop, when Alain’s partner Sebastien (Jean-Hugues Anglade) shows up. They discover that his name was Mikhail Suverov, and Mikhail was born on exactly the same day Alain was. As it turns out, Mikhail is the twin brother Alain never knew he had. Tracing his brother's steps back to New York City, Alain discovers that Mikhail was a member of the Russian Mafia, who was chased down and killed when he attempted to get out. Of course, now Alain is mistaken for Mikhail, who was also mixed up in a war between Mafia organizations. With his only real ally being Mikhail's fiancé Alex Bartlett (Natasha Henstridge), Alain sets out to avenge his brother's death, which is complicated not only by the Mafia, but by two corrupt FBI agents.

一个体温比常人低五度的女杀手,她奉命到韩国执行一宗冷血的暗杀任务.

以“微反应鉴谎”著称的前公安局预审顾问戴猛因318爆炸案嫌疑人自杀事件被舆论指为“逼供致死”，却一时无法为自己破谎求真，半年后化身为“谎言清道夫”角色，和都市青年廖朵朵、花笙搭档，游走民间。在他们为三教九流解决各种私人问题的过程中，戴猛再次和半年前制造318爆炸案并让他陷入人生低谷的真凶狭路相逢，而这一次戴猛成功为自己正名，也收获了友谊和爱情。