Caesar and Amelia must part ways on crucial tasks to relocate their people from the incoming war. Milton is days away from reaching Lost Town, but is it enough time to prepare when he’s been training for this his whole life? Harrison gets a second chance at redemption as he ventures to Earth to save the inhabitants of Arcadia. His optimism fractures when a rogue team of assassins is recruited to thwart his mission. And what other secrets lay beyond Arcadia?