Introduction to Yue Fei's Gun Picking Xiao Liang Wang: At the end of the Northern Song Dynasty, the Kingdom of Jin invaded on a large scale, and chaos broke out in various places. Amid internal and external troubles, the imperial court was at a loss. The powerful dynasty, which had lasted for more than 160 years, suddenly came to the edge of collapse. Countless people with lofty ideals expressed regret, but their passion for reimbursing the country remained unchanged. This year's martial arts examination attracted thousands of candidates from all over the country.