Twelve years ago, 70,000 Red Flame Army soldiers were killed by traitors and died unjustly in Meiling. Only the young commander Lin Shu (played by Zhang Zhehan) survived. Twelve years later, Lin Shu changed his appearance and became the "unicorn talent" Mei Changsu (played by Hu Ge), established the Jiangzuo League, and returned to the imperial capital as the first talent of "Langya Bang". Mei Changsu carried a blood feud and secretly helped his former best friend Prince Jing (played by Wang Kai) to deal with the struggle between the Crown Prince (played by Gao Xin) and Prince Yu (played by Huang Weide). At the same time, he met his former fiancée, Princess Mu Nihuang (played by Liu Tao) of the King of Yunnan, but could not meet her. Mei Changsu, with his weak body, embarked on a dark and thrilling road to win the throne in order to redress the injustice and revitalize the country.