Follows Rim Chul Ryung heading back to South Korea in pursuit of a brutal and secret criminal organization. He teams up again with Kang Jin Tae, who volunteers to work with the North Korean in order to get back on the investigation team after a mistake landed him in the cyber crime department.
A debt collector who looks intimidating, but actually has a warm heart, ends up becoming the guardian of a child, who has been left behind as collateral by her illegal immigrant mother.
