Shortly after astrology predicts destruction for the Tang Dynasty, a coup d'état led by Crown Prince Li's own brother kills him, his wife, and his sons. Li's daughter, Princess Yongning, manages to escape, but is soon declared dead along with her family. Filled with wrath, the princess swears to avenge them as she assumes 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, and formidable enmity awaiting her along the way.