After successfully shutting down the case in Gimsan, Hee Woo returns to the Seoul Central District Prosecutors' Office. As Hee Woo gets closer to Cho Tae Sub and his inner circle, Il Hyun begins to show his true colors. Meanwhile, a medical student becomes the leading suspect in a murder case, but Hee Woo suspects something is amiss.
與全石圭檢察官一同被調回首爾中央地檢的熙宇，受到金錫勳檢察長的關注，並一步步取得其信任…
