In a futuristic world that has embraced ape slavery, Caesar, the son of the late simians Cornelius and Zira, surfaces after almost twenty years of hiding out from the authorities, and prepares for a slave revolt against humanity.

Sam Bowden witnesses a rape committed by Max Cady and testifies against him. When released after 8 years in prison, Cady begins stalking Bowden and his family but is always clever enough not to violate the law.