A colonel (Woody Harrelson) leads his troops in a deadly battle against Caesar (Andy Serkis) and his army of intelligent apes. br Following the events of Dawn of the Planet of the Apes, Caesar and his ape colony are embroiled in a battle with an army of humans. When the apes suffer heavy losses, Caesar wrestles with his darker instincts as he resolves to avenge his kind. The battle pits Caesar against the humans' leader, a ruthless Colonel, in an encounter that will determine the fate of their species and Earth's future.