Episode 4
S1, E4: Sun Woo suggests to Joong Hyuk an operation by using Soo Yeon as a double agent to find out the North Korean spies who came to South Korea; Ki Chul orders Hye Rim to watch Sun Woo's every move and to report to him.
S1, E4: Sun Woo suggests to Joong Hyuk an operation by using Soo Yeon as a double agent to find out the North Korean spies who came to South Korea; Ki Chul orders Hye Rim to watch Sun Woo's every move and to report to him.