The story of the young Li Changfeng, who patiently bides his time and diligently hones his swordsmanship, ultimately protecting all living beings with an ordinary mortal body. Ninety thousand years ago, gods and demons invaded, but his ancestor repelled the enemy with a single sword strike and sacrificed himself to protect his clan. Ninety thousand years later, Li Changfeng inherits his ancestors' legacy, spending ten years relentlessly refining his swordsmanship. He grows from an ordinary street youth into a formidable master of the sword. Facing impostors who have seized the nation's fortune and plunged the world into chaos, he joins forces with his companions to uncover the truth and overcome countless dangers. Together with his ancestor, across two generations, he fights to restore peace and order to the world.