Li Yi, a wealthy modern heir, unexpectedly transmigrates into the body of the Crown Prince of Great Qi. After awakening a Mad Performance System, he quickly makes a name for himself with his wild and unconventional behavior. Upon discovering the truth that his birth mother was poisoned to death by the Empress, he vows revenge. Using talented individuals rewarded by the system, he eliminates political rivals and suppresses powerful aristocratic clans. He successfully executes the Empress and, in his ultimate confrontation with his father, exposes the conspiracy and mobilizes troops to turn the tables. Ultimately, he ascends the throne and begins his own reign as emperor.