Modern young man Gu Changfeng accidentally traveled to the ancient world of martial arts and became an unknown person. Relying on modern knowledge and the gradually awakening chivalrous spirit, he met heroes from all walks of life and got involved in rivers and lakes disputes. After experiencing a series of events such as family feuds, sect struggles, and court intrigues, Gu Changfeng gradually grew into a true knight. In the process, he gained love and friendship, and finally found his own destiny. He not only changed his own destiny, but also affected the direction of the entire world.