Zhang Shun, a modern social animal, was betrayed by his brother, and his soul accidentally traveled to the world of Water Margin and possessed "Langli Baitiao". At the beginning, he rescued Fang Jinzhi, the daughter of Fang La, and embarked on a journey to rewrite destiny and conquer the world.
With modern wisdom and water warfare skills, he recruited Li Jun and Na Sanruan to create an invincible navy; he recruited Lin Chong and Lu Zhishen to form an iron-blooded army; with Gongsun Sheng's magical assistance and Chai Jin's financial support, he raised a rebel flag in the south of the Yangtze River and became the leader of the Southern Rebel Army. Faced with Song Jiang's hypocrisy of "doing justice for heaven", he exposed his true colors and defeated Liangshan by "encircling the points to provide aid"; to fight against the corrupt rule of the Song Dynasty, he used "public opinion building" to win the hearts of the people, step by step, took over the power of the Southern Kingdom from Fang La, and finally ascended the throne as the founding emperor of the Shun Dynasty.
From the personal obsession of avenging personal revenge and reversing tragedy, to saving the people and creating a new dynasty for the world, Zhang Shun led a group of Liangshan heroes and southern heroes to walk a completely different imperial path in the troubled times of Water Margin.