In this movie, edited from two episodes of the "Planet of the Apes" TV series, the trio saves poor farmers from a ruthless tyrant, and Virdon competes in a risky horse race against Urko.

The fugitives Burke, Virdon and Galen try to save the life of a human blacksmith and his son, whom gorilla leader Urko has threatened with death should his horse lose another race. The trio also ...