Han Ji-hyuk, an NIS agent gone MIA, returns after one year to join a new team as he searches for his lost past.
Namkoong Min
Han Ji-hyuk
Park Ha-seon
Seo Soo-yeon
Kim Ji-eun
Yoo Je-yi
Kim Byeong-gi
Bang Yeong-chan
Lee Kyung-young
Lee In-hwan
Jang Young-nam
Do Jin-sook
Yu Oh-seong
Baek Mo-sa
Kim Jong-tae
Kang Pil-ho
