一个被流传的故事，当长生的消息，传递到统治者的耳里，他又会为了得到这长生之力，下达怎样的命令，当个人的偏见与民族士兵的生死牵扯到一起，当令人恐惧的瘟疫被汉人高超的艺术治好，那些依靠神明的传说，能否经得起考验。天下分分合合，受苦的还是这芸芸众生，成吉思汗一统草原各部，甚至成立了大汗帝国，当他成为了一代雄主后，有限的生命也成了他担忧的事情，他渴望长生，渴望生命与他的霸业一样，能长久陪伴。

在民间的传说里，丘处机活力三百多岁，这让成吉思汗对长生的奢求有了那么一丝希望，但是，军队爆发了瘟疫，丘处机和自己的徒弟赵道安面见成吉思汗，突遇契丹女子，他们的相遇，又会给这次面见之旅，带去怎样的风波，而成吉思汗和丘处机的对话，又会对当时的民生，带来怎样的改变。

A story that has been circulated, when the news of longevity , passed to the ruler's ears, what order will he give in order to obtain the power of longevity? , Can those legends that rely on the gods stand the test. The world is divided and united, and it is these mortal beings who suffer. Genghis Khan ruled all the tribes in the grassland and even established the Great Khan Empire. When he became a hero, the limited life became his worry. He longed for longevity and life Like his hegemony, he can be with him for a long time.

In folk According to the legend, Qiu Chuji was more than three hundred years old, which gave Genghis Khan a glimmer of hope for his extravagant life. However, a plague broke out in the army. Qiu Chuji and his apprentice Zhao Daoan met Genghis Khan and a Khitan woman. Their encounter, What kind of turmoil will it bring to this face-to-face trip, and what kind of changes will the dialogue between Genghis Khan and Qiu Chuji bring to the people's livelihood at that time.