The police officers at South Korea’s busiest patrol division toil day and night as keepers of law and peace — but the reality is far from orderly.

Set during the Silla dynasty, Sam Maekjong is the son of the fallen king and present queen regent, Jiso, but he has been kept in hiding for protection ever since he was a young boy, when his father was murdered. Over the years the powerful nobles have tried and failed to usurp power from Jiso, causing her to grow wary and later even reluctant to hand the throne over. As her son comes of age, she creates the Hwarang, an elite group of male youth who train in fighting and education. Their existence cuts across the existing power factions and Sam Maekjong is amidst their ranks under the false name Kim Ji-Dwi, unbeknownst to other Hwarang members.

How can a mermaid from the Joseon era survive in modern-day Seoul? Shim Chung is a mermaid who finds herself transplanted to modern times. She is caught by Heo Joon Jae, a charming but cold con artist who is the doppelgänger for Kim Moon, the son of a nobleman from the Joseon Dynasty. But in the present time, Joon Jae works with Jo Nam Doo, a skilled conman who guides Joon Jae to become a genius scammer. But Joon Jae’s friend, Cha Shi Ah, who works as a researcher at KAIST, may be Chung’s only hope for surviving in her strange new world.

Scarlet Heart: Ryeo is the remake of Chinese drama Bu Bu Jing Xin that stars IU as a woman who gets time-warped back to the Goryeo dynasty, and becomes involved with a very large family of princes, some of whom are vying for the throne, or her affections, or both.

Drama series follows a police crisis negotiation team as they try to solve cases without using force. The police crisis negotiation team works on such cases like attempted suicides, hostage situations and terror situations.