Detectives Kang Do-chang (Son Hyeon-joo) and Oh Ji-hyeok (Jang Seung-jo) are furious when they find Jeong In-beom (Park Geun-hyung) in danger of death. Detectives catch the gangster who committed the crime and find out that Team Kwangsu leader Jang Ki-jin is behind them... Meanwhile, Gang Do-chang and Oh Ji-hyuk are checking CCTV footage near Jung In-beom's shoe shop for evidence. Jang Ki-jin's crime. He finds Nana Cheon (Hyo-Jin Kim), an unexpected person who is not Jang Ki-Jin, and goes to find her...
Los detectives interrogan a la pandilla que intentó asesinar al abuelo de Hui‑ju. Na‑na y Jang Ki‑jin se meten en problemas mientras se acercan a la verdad.
Os detetives interrogam a gangue que tentou matar o avô de Hui-ju. Enquanto se aproximam da verdade, Na-na e Jang Ki-jin se veem em apuros.