The army of genetically modified monkeys expects a new challenge: they are forced to engage in a deadly battle with an army of people led by a ruthless colonel. After unimaginable losses among his warriors, the leader of the monkeys Caesar begins a personal struggle with the dark instincts and is going to avenge his entire appearance. In the end, he and the colonel will have to meet in an epic battle, which will decide who will now rule on Earth - people or monkeys.