Prehistoric men with hairy heads walk in the montage, there is a boy and a girl.

Prehistoric men and women cross a river. A man carries the girl on his back and drops her across the bank after a woman is attacked by a crocodile.

A boy goes to wake up his father then joins his sister and his mother, they are all naked. The daughter goes away to eat her meat but she is threatened by a snake that the mother kills.

The men break stones to make weapons, a man comes to help the boy.

The men discover fire with lightning that hit a tree. The boy and the girl are with them. They eat the cooked meat, the girl is lying in the background, she is touching herself.

Boy plays on the rocks by the sea.