After an experimental drug trial goes horribly wrong, the surviving test subjects have to fight off sleep, and each other, to stay alive.

Ten years after the events of the original movie, Victor Crowley is mistakenly resurrected and proceeds to kill once more.

　　《无敌原始人》讲述了原本生活无忧无虑的 “石器时代”部落原始人，遭到了“青铜时 代”部落的攻击和放逐，无家可归的他们在 勇气十足的原始人道格的带领下团结一致， 为了夺回属于自己的家园，用足球赛的形式 向“青铜时代”部落宣战，一场石器时代与 青铜时代两个部落间的世纪对决即将上演……