Many years after the reign of Caesar, a young ape goes on a journey that will lead him to question everything he's been taught about the past and make choices that will define a future for apes and humans alike.

A massive sinkhole mysteriously opens up in Los Angeles, separating part of a family in an unexplainable primeval world, alongside a desperate group of strangers.

When they learn of a secret plot to track and control kids, identical twins Dru and Kal team up with a band of runaway rebels to take back their world.