The all-powerful Prince Regent of Great Xia, Li Ji, is betrayed and killed by the emperor after unifying the six kingdoms. He reincarnates as a bullied modern high school student and immediately turns the tables on his tormentors. When he finds his classmate Chu Wu is the spitting image of his late fiancée, he swears to protect her. Using his ancient martial arts skills, he defeats dark sorcerers, crushes criminal syndicates, wins the loyalty of the city's richest man, and finally makes up for his past life's greatest regrets.
