Lin Yu, who traveled to the Three Kingdoms, found himself in a difficult situation in Yanzhou. Although Yuan Shao was defeated, Cao Cao was still fighting, and his lord Liu Dai was also struggling in a difficult situation. Lin Yu relied on the historical knowledge in his memory to improve weapons and innovate training methods in the military, implement new policies in government affairs, and appease the people. When he joins hands with Liu Bei, what kind of waves will they create in this troubled world?