A fanfic of the TV series "Welding City", the important characters are not offline.
In order to destroy the two largest drug-making gangs in Lankupa, Lan Mino, he concealed his identity and came to high school classmate Bai Zhenhe, met Luo Jia, who was also an undercover informant, and successfully gained the trust of Yu Yongyi, the senior executive of the Seven Star Society, and finally succeeded in dismantling the gang forces and uncovering the final mastermind.
