During the Jingtai period in the middle of the Ming Dynasty, Cao Shaoqin (), the eunuch leader of the East Factory, framed the Ministry of War Shangshu to death, and used exile as bait to lure Yang to Huai 'an (Tony Leung Ka Fai) next week, in an attempt to catch all his old staff. Qiu (), a chivalrous woman in Jianghu, is entrusted by her lover Zhou Huai 'an. Fight bloody battles, rescue Yang's children, and meet them at Longmen Inn on the border of the desert. Sorry, the disguised third gear of East Factory was followed by a group of experts.

Jin Xiangyu (Maggie Cheung), the shopkeeper who runs a black shop for a living, is coquettish and affectionate, and has a crush on Zhou Huai 'an. Unfortunately, Zhou Lang already belongs to Mo Yan. At the same time, Cao Shaoqin's big brigade is coming to Longmen Inn, where experts from the East Factory are entangled, and the desert weather is unpredictable, which makes Zhou Huai 'an and others tired. Zhou Huai 'an found that there must be a secret passage in the inn. In order to save Yang's orphans, Zhou Huai 'an did not hesitate to find out the secret passage on the condition of marrying, and arranged for Mo Yan and others to escape from the secret passage on their wedding night. Unexpectedly, Cao Shaoqin's big brigade has been killed. ...

Between Wan Li and Huangsha, when life and death were intertwined with love and hate, Zhou, Mo and Jin joined forces to resist the enemy, and the villain overthrew him, but Mo Yan died for it. Zhou Huaian is determined to stay away from the Central Plains. Jin Xiangyu set fire to the inn and followed Zhou Huaian. ...