Traveling through time and becoming the prince of the Qing Gang, Huangpu elite transformed into the spy king of the Republic of China. From producing disposable pistols to snipe Japanese invaders, to instigating the rebellion of Kawashima Yoshiko, subduing Tanaka Takayoshi, and single-handedly stirring up the Hongkou Incident. After the fall of Shanghai, he was ordered to sneak into enemy lines and use the power of the Youth Gang to kill traitors and Japanese. After the war, he moved to Taiwan to control the military and government, and secretly sent cutting-edge technology back to the mainland.