A fatal explosion allows top agent Xiao Feng to be reborn in the urban world of martial arts with memories of his past life. He had been betrayed and died tragically, but he came back strong in this life with his spy war experience in his previous life and the power of the world of high martial arts. In the city with surging undercurrents, mysterious underground organizations, hidden espionage forces, and foreign forces coveting Chinese martial arts take turns to appear.
Xiao Feng relied on his ingenuity beyond ordinary people and his increasingly sophisticated military strength to deal with various forces. And when he met Li Hongxia, an agent of the National Security Bureau, the two went from testing each other to fighting side by side, sparking different sparks in life-and-death spy battles. See how Xiao Feng stirs up the storm and becomes a legend who dominates everything in this city where martial arts and espionage are intertwined!