In an accident, special forces soldier Ling Yu transmigrates to the final years of the Western Jin dynasty and rescues Sima Ai, who is about to die in a raging fire. He then helps Sima Ai pacify the realm. Ling Yu trains Sima Ai’s troops and adapts modern tactics to help him return to Luoyang and conquer Guanzhong. Just as everything seems to be going their way, news arrives that the Xiongnu are advancing south...
