In a time of turmoil, Xu Xiao rises as King of Northern Liang, defeating threats from steppe kingdoms and southern uprisings. His heir, Xu Fengnian, a free-spirited warrior, has spent years mastering his skills while forming alliances, including with the skilled swordswoman Nangong Pushe. Among the royal household is Jiang Ni, a princess from a rival kingdom who may harbor hidden motives. As Xu Fengnian ascends the throne, doubts arise about his ability to uphold his father’s legacy. When a critical campaign looms, the fate of the realm hangs in the balance.