Mac and Hec decide to move into a cave but they must become tribe members first. The must perform a few customary rituals before they become tribe members.

Mac and Hector are heroes to Breer after they rescue him from a blocked cave. Mac and Hector try to think of ways to get Gronk to look like a hero to Breer.

The astronaut visitors are troubled that Cavemen drag their women around by the hair as their form of courtship. And so, they do their best to institute modern, civilized courting techniques.