Jin Kyung

The veteran detective Seo Do-cheol and his team at Major Crimes, relentless in their pursuit of criminals, join forces with rookie cop Park Sun-woo to track down a serial killer who has plunged the nation into turmoil.

During the 1970s, in Kunchon, there were women divers who were able to dive without equipment, including two best friends Choon-ja and Jin-sook, Jin-sook's brother and Hammer. They always collected seafood under water for living. But, as fewer factories started to be built near the beach, the women divers started to have trouble with what they were doing for living. Without any choice, the ship crews decided to join the smuggling business in the water to seek a way for their living. But the smuggling business in their village got too big for Jin-sook's family to handle and the peaceful village was gradually broken.

On his way to work, a bank manager receives an anonymous call claiming there's a bomb under his car seat, and if anyone exits the car, it will explode unless he can pay a ransom.

Ha Yoon-ju becomes the newest member of a unit within the Korean Police Forces Special Crime Department that specializes in surveillance activities on high-profile criminals. She teams up with Hwang Sang-jun, the veteran leader of the unit, and tries to track down James who is the cold-hearted leader of an armed criminal organization.

In Japanese-occupied Korea, three freedom fighters are assigned a mission to assassinate a genocidal military leader and his top collaborator. But the plan goes completely awry amidst double-crossings, counter-assassinations, and a shocking revelation about one of the assassins' past.

When an old collaborator gets severely injured, a veteran policeman tries to figure out the way to bring to justice the ultimately suspected aggressor, a spoiled young executive, heir to a mega corporation, who believes he is above the law.