The four kingdoms of Daqian, Nanyue, Northern Wei, and Western Qin were separated and fought for years. Shen Duo is a son of a down-and-out nobleman. He mistakenly ends up in a military camp to avoid debts. He accidentally gets involved in several key battles and gets acquainted with the subjugated princess Yan Nian who pretends to be a soldier, the humorous and loyal former bandit Zhao Ansheng, the poison master Hua Li and other grassroots heroes. As the situation becomes turbulent, the team takes risks one after another, from small fights to big battles, with humor and danger intertwined. Grow and transform between fate and choice, and finally face the ultimate war to decide the fate of the character, and determine the world in the conflict of multiple clues of intrigue, friendship, and love.