The summer of 1943, in order to consolidate the Anti Japanese forces, military emergency action, sent Jia Dali back to the strategic development of new members Niu Jiacun and establishing new guerrilla organization. A strange combination of circumstances, the Japanese military experts in Hengshan city was captured with Mu defenders, the three party of emergency action plan for Hengshan events, sent their troops rushed to the city in secret mu, Niu jiacun. After the war, the Kuomintang troops wiped out, only Ge Yun, Bing Shen and Jia to three people. In order to finish the task, three people continue to bathe in the city. In the brutal war, they for the liberation of Mu City win the third.