A special task force will mix cops and criminals in order to catch bad guys, but this time the good-bad guys will be con artists who use their skills of fraud and deception in order to help catch tax evaders.

社會上有一些人有着高收入卻總是逃稅，為了解決這日趨嚴重的問題，首爾市政府機動隊科長與騙子合作，以非常手段取回逃稅者的稅金。