When a crime organization from North Korea crosses borders and enters South Korean soil, a South Korean detective must cooperate with a North Korean detective to investigate their whereabouts.
Hyun Bin
Im Chul-ryung
Yoo Hai-jin
Kang Jin-tae
Kim Joo-hyuk
Cha Ki-sung
Jang Young-nam
Park So-yeon
Lee Dong-hwi
Park Myung-ho
Yoona
Park Min-young
Kong Jeong-hwan
Seong Gang
Lee Hae-young
Detective Squad Chief Pyo
