洞穴人Tumak被他的原始人部落驱逐,然后他在海岸边的另外一个部落暂时落脚,很快也被驱逐。因为很想念他,他的女人中的一个开始寻找到他并和他一起流浪,他们就像夫妇一下共同面对巨型的各种怪物以及包括火山喷发等等其他的突如其..Tumak, member of the prehistoric Rock tribe, is exiled and makes his way to the more peaceful Shell tribe, where he is taken in and taught manners by the lovely Loana. Forced to leave the Shell tribe for fighting, Tumak, along with Loana, return to the Rock tribe, where Loana shows them the error of their brutal ways - until the volcano erupts!