Gao Mu, an ordinary college student, accidentally transmigrates to Northern Qi and becomes the study companion of Gao Yan, son of Emperor Wucheng. Knowing the tragic fate that awaits Gao Yan, he resolves to defy destiny and change history. With his precise grasp of historical events and modern way of thinking, he helps Gao Yan navigate the brutal power struggles, eliminate political rivals, and ultimately ascend the throne. Together, they reform the military and government, conquer Northern Zhou and Southern Chen, unify the realm, and establish an unprecedentedly powerful empire.