Li Si has Zhao Gao deploy his Net Trap Organization around Shanghai, including the Confucians Junior Sage Village. Master Ban starts teaching Ziming about Mohist mechanisms and the difference between the Mohist's anti-war mechanisms designed to help people live and work better and the Gongshu mechanisms which are designed for war. He tells Ziming a story of how the Mohists protected the Song Kingdom from attack by the Chu Kingdom who were assisted by the Gongshu Clan’s battle mechanisms, and the animosity that has continued for 300 years. However Master Ban believes that Gongshu Chou has advanced greatly as demonstrated by his creation of the floating Mirage City. (thetvdb.com)