Promotion season is officially here, and the prosecutors of the Jinyeong Branch are being extra cautious not to stir things up. However, Jung Woo breaks the peace, making Min Ho anxious. To make things worse, the notorious Mr. Hwang, also known as the Ax, is back to torment the prosecutors of Jinyeong.

As Branch Chief Kim In Ju prepares for his retirement, the people of Jinyeong Branch get busy preparing for a big farewell. Chief Kim wonders what he will do after he retires and meets other former prosecutors who are now working elsewhere. He also remembers a certain shameful incident from many years ago. Meanwhile, Jong Hak deals with a very annoying video influencer.