This animation epic tells the story of the guardians of the "Heavenly Martial Treasure" of Genghis Khan, who protected it during the "Tumu Crisis" in the Ming Dynasty. After the massacre of the guardians in one night, the young lord Wuyunzong, the sole survivor of the guardians, seeks revenge and searches for the treasure. Along the way, he encounters a series of thrilling adventures involving pursuit and growth, love and friendship, conspiracy and betrayal.