During the Shaoding period of the Southern Song Dynasty (1228-1234), it was the eve of the Song-Mongolian alliance to destroy the Jin Dynasty. Lin'an City is prosperous on the surface, but in fact there are undercurrents - the war faction and the peace faction in the imperial court are fighting fiercely, the remaining forces of the Jin Kingdom are secretly operating, Mongolian spies are infiltrating everywhere, and the forces of the world are facing a reshuffle.
