The Criminal Nemesis at the Beginning Is Full of Criminal Skills.

Zhang Yuan admitted that it was no problem for him as a police officer to obtain the "Criminal Buster System", but why did this unfair system only give him criminal skills every day? "Criminal psychology?" "Bomb-making method?" "Inherited fighting technique?" Well, for the sake of social stability and harmony, Zhang Yuan can only bite the bullet and use his criminal skills to fight crime with fire.