Adapted from the popular writer Tian Can Tu Dou's web novel of the same name, "Yuan Zun" tells the story of Zhou Yuan rushing to the border to seek the support of General Wei Canglan in order to counter the imminent rebellion of Prince Qi. The Great Wu Crown Prince Wu Huang secretly supports Prince Qi's actions. Zhou Yuan, Yao Yao, and Su Youwei engage in successive battles with Prince Qi's eldest son, Qi Hao, in Canglan County and the Black Abyss. They not only defeat Qi Hao's schemes but also subdue experts like the Black Poison King. When Prince Qi raises an army in rebellion and besieges the capital, Zhou Yuan turns the tide and quells the uprising. Behind all this lies the support of the enemy state, Great Wu. Zhou Yuan vows to reclaim everything that rightfully belongs to him.