Two tribes of dimwitted cavemen prepare for war against each other.

Filli (Senta Berger) and the cavemen from "When Women Had Tails" are living a carefree (if boring) life inside a dinosaur skeleton. But when conman Ham (Lando Buzzanca) introduces them to the concept of currency and economics, their lives fall apart. On top of that, Filli starts to fall in love with Ham.—lonamer