In the late years of the Yuan Dynasty, Zhu Yuanzhang led his troops to resist the rule of the Yuan Dynasty. His subordinate Shen Tiansong attempted to present Zhu's military deployment map to the Mongolian prince Li Chahan. Li Chahan led his experts to Shaanxi for a meeting, and anti Yuan activists discussed countermeasures with the owner of the Shaanxi Yingchun Pavilion Inn, Wan Renmi. They disguised themselves and prepared to catch the traitor and retrieve the deployment map.
In the late years of the Yuan Dynasty, Zhu Yuanzhang led his troops to resist the rule of the Yuan Dynasty. His subordinate Shen Tiansong attempted to present Zhu's military deployment map to the Mongolian prince Li Chahan. Li Chahan led his experts to Shaanxi for a meeting, and anti Yuan activists discussed countermeasures with the owner of the Shaanxi Yingchun Pavilion Inn, Wan Renmi. They disguised themselves and prepared to catch the traitor and retrieve the deployment map.