Kim Han-sol

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.

An assassin named Tae-goo is offered a chance to switch sides with his rival Bukseong gang, headed by Chairman Doh. Tae-goo rejects the offer that results in the murder of his sister and niece. In revenge, Tae-goo brutally kills Chairman Doh and his men and flees to Jeju Island where he meets Jae-yeon, a terminally ill woman. Though, the henchman of the Bukseong gang, Executive Ma is mercilessly hunting Tae-goo to take revenge.

With prayer beads in one hand and an ax in the other, a monk hunts down a millennia-old spirit that's possessing humans and unleashing hell on Earth.

In the ultimate test of marriage, an agent-turned-househusband gets tangled in a perilous mission with his detective wife, who's clueless about his past.