Cheng Zhaoyuan, a modern military genius, traveled to troubled times and used ancient and modern formations to reshape the battle situation, but he was surrounded and suppressed by aristocratic families. Xie Linzhi, a fierce general from a poor family, became his only sword-wielder, while Pei Yuheng, a secret spy of the Southern Dynasty, and Lu Huaizhang, an old enemy of the Northern Zhou Dynasty, had their own agendas and worked together step by step. When Liu Qingya's 'Nine Nethers Fulong Formation' reappears in the world, the game between heaven and humanity has just begun - who is controlling the war situation? Who is being swallowed up by the war?
