During the North Song dynasty, there was a war between Song and Liao Kingdom. Liao general Xiao Tianzuo had set a “Heaven Gate Army Array. If Song army wanted to break the array, they must obtain a magic “Capturing Dragon Wood” from Mu Ke village. Song generals Meng Liang and Jiao Zhan went to the village for the wood, but were beaten by villager Mu Guiying. Yang Zongbao, son of general Yang Yanzhao, went to help the battle and was captured too. However Yang Zongbao and Mu Guiying were in love soon and became a couple. Since Zongbao married enemy during the war, he was going to be executed by his father. Knowing the news, Mu Guiying contributed the needed “Capturing Dragon Wood” and promised to help Song army so that Zongbao would be exempted. Finally Zongbao and Guiying went to the battle and Song army got a great victory. .