Intent on seeing the Cahulawassee River before it's dammed and turned into a lake, outdoor fanatic Lewis Medlock takes his friends on a canoeing trip they'll never forget into the dangerous American back-country.
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.