Shi Wang Zhe A? 5

Sikong Zhen uncovers mechanical beasts hidden in the underground city and begins studying them in secret. Suspecting that something is wrong, Wu Zetian dispatches Shangguan Waner to look into the matter quietly, while the Yaotian organization pursues an agenda of its own. As the competing factions maneuver against one another, a shared threat finally erupts, forcing everyone to set aside their differences and unite to destroy the mechanical monsters and return Changan to peace.