Han Ji-hyuk, an NIS agent gone MIA, returns after one year to join a new team as he searches for his lost past.
Han Ji-hyuk
Seo Soo-yeon
Yoo Je-yi
Bang Yeong-chan
Lee In-hwan
Do Jin-sook
Baek Mo-sa
Kang Pil-ho
Jung Yong-tae
Ha Dong-kyun
Koo Hyo-Eun
Jang Cheon-woo
Oh Kyung-seok
Kim Dong-Wook
Cha Min-Cheol
Cheon Myung-ki
Kim Yeo-jin
Lin Wei
Kim Young-Woo
Kim Dong-Hwan
Staff
Do Jin-Sook's subordinate
