Set 3 years after the first season, members of the National Security Service (NSS) team, including Jung Yoo Gun, Ji Soo Yeon and other agents attempt to pull the curtain on mysterious group IRIS.
Agent Yoo Gun is the leader of the NSS TF-A team. While he goes up against Baek San, Yoo Gun becomes involved in a case which changes his fate forever.
Joon-seok is sent to prison for his involvement in Dong-soo's death. He meets Dong-soo's son in prison, keeps his identity a secret, and agrees to join forces when he is released. All of their plans fall apart when Sung-hoon finds out the truth.
In January, a couple walks downtown at dawn. Is this a love story? Situations following after ‘February’ and ‘March’ put audiences in confusion. An intriguing narrative structure built on twisting time and converting relationships.
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.
A young couple, who have wanted a baby for a long time, are happily blesses with a twin pregnancy. However they get driven to despair by the fact that their twins are conjoined. Treated as monsters by their mother, the brothers, Sang-hyeon and Dong-hyeon, meet a beautiful girl one day.
Ice suddenly becomes a more valuable commodity during the Joseon Dynasty and a gang of eleven professionals are assigned to protect the market situation from irresponsible people.
The story is set 70 million years ago, when dinosaurs ruled the Korean Peninsula the same way they ruled the rest of the earth. Spotty is a curious and playful Tarbosaurus child, and along with his mother and siblings, he lives happily in the forest. One day the cunning One-eye, an older Tyrannosaur looking for a new home, attacks Spotty’s herd and separates Spotty from his family. Alone, he befriends another lost girl Tarbosaur who becomes his friend and constant companion for two decades and the mother of his own children. But Spotty’s troubles with One-eye are not over, and revenge, death, fear, and sadness are all in Spotty’s future―as is happiness and hope.
Tae-hun causes trouble for the his unit with his antics. He does not take much seriously until a dogfight leaves a pilot dead and another missing. Tae-hun and the other members of his unit launch a rescue mission to prevent a war from breaking out.
Facing financial uncertainty and entering middle age, a married couple in their early thirties contemplate whether it's the right time to have their first baby.
A woman with a severe anxiety disorder stumbles into a 44 million dollars drug deal gone wrong. Suddenly the mafia, as well as the police, wants to get hold of her.
Though it places his own life in danger, a look-alike commoner secretly takes the place of a poisoned king to save his country from falling into chaos.
Jin-ah, the former leader of once popular girl band "Purple," hosts a radio show called "Wonderful Radio." When the producer of the program is sacked over low ratings, a new guy comes in to fill his shoes. Jae-hyeok is a cold, unfriendly man who only drinks iced coffee even in the winter. The easily irritable man and the conceited former diva are bound to get on each other's nerves at every corner.
