Xiao Yichen, a modern young man, traveled through the prosperous Tang Dynasty and became a down-and-out scholar who was bullied. Under the guidance of the mysterious old man, he learned martial arts and embarked on a counterattack. Went to Chang'an to take the exam, rescued the caravan, and met the smart and talented girl Li Waner. He passed the imperial examination and entered the Imperial Academy, but was suppressed by the powerful and involved in court disputes. He broke through the situation with wisdom, showed his talents for the first time, and was appreciated by the emperor. He performed meritorious service on the frontier, reformed bad government, fought back against treacherous officials, and repeatedly made outstanding achievements. From a humble scholar to an important minister in the court, every step is startling. In the prosperous age, crises loomed. He used his tenacity and wisdom to bring order to the chaos, promoted cultural integration, and became a legend of his generation.