Graham Yost, creator and showrunner of Apple TV+s sci-fi drama Silo, discusses season 2s changes from the original book trilogy. The series follows engineer Juliette Nichols (Rebecca Ferguson) in a dystopian society confined to a massive underground silo, where humanity is sheltered from a world filled with toxic waste. At the end of Silo season 1, while attempting to unravel the mystery around the silo’s unknown history, Nichols faces exile for defying authority figure Bernard (Tim Robbins) and is forced outside to confront the poisoned landscape she had long feared.