The stories of overworked prosecutors's daily lives in Seoul. A drama depicting the mundane daily routine of overworked prosecutors staying up all night to tackle all the different cases handed over by the police.
The former branch chief of Jinyeong, Mr. Kim In Ju, makes a brilliant comeback as the head of the special investigation team. Mr. Kim requests to have either Sun Woong or Myung Ju join his team in Seoul and they make a bet to decide who gets to go. To settle the bet, the pair take a trip to find the original owner of Sun Woong’s accidental carpenter’s ruler.