In the tumultuous times of the Three Kingdoms period, a general's unyielding spirit and unwavering valor shaped the fate of the battle of Xuzhou, a story that would echo through the ages....

The story follows the time-traveling strategist Xun Yu as he revisits the ancient city of Xuzhou, navigating through a series of historical events to decipher a mysterious puzzle left by his predecessor, all while trying to prevent a catastrophic future....