At the beginning of time, a mystical meteor came crashing down from outer space and scattered all over the world. A piece of it landed in the Eastern Continent. There were mysterious totems carved upon the meteor, and people gathered around it wanting to discover its usage. They discovered the Way, and established The Tradition. Several thousand years later, the fourteen years old orphan Chen Chang Shang left his master to cure his illness and change his fate. He brought a piece of marriage vow with him to the capital, thus began the journey of a rising hero.

Shortly after astrology predicts destruction to befall the Tang Dynasty, a coup d'état led by the crown prince Li's very own brother kills him and his wife and sons. Li's daughter, princess Yongning, manages to escape, but is soon declared dead alongside her family. Full of wrath, the princess swears to avenge them as she takes on the identity of a young man, Li Chang Ge, and moves to the Shou province to advance her goals. Li Chang Ge uses her wits to gain the trust of the Shou emperor and swiftly climbs the military ranks as a brilliant strategist. Captivatingly drawn, Song of the Long March portrays the feisty girl's adolescent journey toward countless unknown adventures, faithful comradeship, as well as formidable enmity awaiting her along the way.