The Southern Song Dynasty, Starting with the Puppet Emperor

In the 17th year of Jiading in the Southern Song Dynasty, 20-year-old Zhao Yun was proclaimed emperor by powerful ministers, but he was actually a puppet. He hid his sharp edge, relied on modern knowledge to invent and accumulate strength, overthrew power step by step, made a northern expedition to drive away enemies, and built the Pian'an Dynasty into an empire on which the sun never sets.