At the time when the Qin Dynasty was changing, the Mohist Mo Yu and the mysterious woman Ling Shuang met in Xianyang. The Qin army's pursuits, snares, and conspiracies are intertwined. From rescuing each other when they first met, to fighting together in the mountains and forests to fight against the enemy again, a tacit understanding gradually develops. How will they explore the truth amidst the chaos, and what kind of emotional sparks will they collide with? The legend of Jianghu begins here.