When a terrorist bombing occurs in Seoul, profiling specialist, NCI agent Kang Ki Hyung, is brought in for his opinion. However, due to a wrong call, Special Tasks Force Agent, Kim Hyun Jun, ends up losing a friend. One year later, Hyun Jun and Sun Woo are investigating a case of a kidnapped woman. However, when the younger sister of his dead friend is kidnapped, he has no choice but to turn to the NCI for help.
Elenco: Lee Joon-gi , Moon Chae-won , Son Hyun-joo , Yoo Sun , Lee Sun-bin , Go Yoon , Kim Yeong-cheol , Oh Yeon-soo , Hong Ji-yoon , Park Si-eun , Moon Soo-Bin .