Fan Casting Legacy of the Planet of the Apes

New future has begun, Ape civilizations have emerged from the oasis to which Caesar led his fellow apes, while humans have regressed into a feral state. When the ape leader Barken prevents the teachings of Caesar to enslave other clans in search of the last traces of human technologies, Cornelius a common chimpanzee and son of Caesar, embarks on a harrowing journey alongside a six young humans to determine the future for apes and humans alike "and before kingdom starts."