The circus director Ai Mundo (Ricardo Montalban Ricardo Montalban) took in and protected a lonely orangutan named Caesar (Roderick Andrew Anthony Jude McDowall Roddy McDowall). Under Amendo's meticulous care, Caesar gradually grew up, and the relationship between it and "father" Amendo was very close.
A virus has wiped out cats and dogs on earth, losing their most loyal friends. Humans who need the company of animals turn their attention to the orangutans who are very similar to them. In this way, keeping orangutans as pets has become a new phenomenon. fashion. However, the cruel nature of human beings made the lives of these docile and kind orangutans miserable. They were tortured and abused and lost their freedom forever. Finally, the orangutans decided to endure no longer. Under the leadership of Caesar, they revolted heroically and vowed to overthrow the oppression and domination of mankind.
