Time Between Dog and Wolf Episode 6

After his mother is brutally murdered by the Triad in Thailand, Soo-hyun (Lee Joon-Gi]) is adopted by NIS agent Kang Joong-ho, and he grows up with Min-ki (Jung Kyoung-Ho) like brothers. Min-ki and Soo-hyun both become NIS agents later on. One fateful day, Soo-hyun meets Ji-woo (Nam Sang-Mi) after last seeing her in Thailand when he was a child. They start dating. One day, Soo-hyun ruins a mission when the…