Hong Xing, an elite member of the police academy in his previous life, was still an undercover agent. He died tragically when his identity was impulsively exposed, and his informant was also involved in the murder of his family. After his rebirth, he was slick, ruthless, and determined at every step, but unexpectedly embarked on the path of unifying the underworld, causing his boss Captain Li to collapse. At the same time, policewoman Su Qing was ordered to undercover to monitor him. After in-depth investigation, she was shocked to find that this ruthless man who controlled half of the underworld was actually a comrade with the same mission as her!
