On a Christmas Eve, a lifeless body of teenage boy is found. The victim's revenge-driven twin brother checks himself into a juvie to hunt down the suspects.
Ji-woo, an outcast at a prestigious private school, meets Hak-sung, the school janitor who is actually a mathematical genius who defected from North Korea.
Min-ha and Sang-beom are a gay couple in high school. They go on a journey to the shore for their 100th day anniversary. Min-ha does not care what other people think and exhibits his affection towards Sang-beom in public. On the other hand, Sang-beom feels uneasy about this. That night, Sang-beom tells Minha a secret.
Young-eun who has a crush on her classmate, Min-su, realizes that her younger sister Young-ji and Min-su are in a relationship. Though she tries to suppress her emotion it’s not easy. One night, Young-eun witnesses Young-ji and Min-su having sex.
Ki-hyeok, moves to a new place to overcome his broken heart. There are no people like himself and no jobs are even available. One day, he meets Sangwoo in an application, who caught a cold. He fears that Sangwoo will leave him.
Hong Gil-dong is an infallible private detective with an exceptional memory and quirky personality. While chasing the only target he failed to find, he gets entangled in a much bigger conspiracy than he bargained for.
Depicts the love lives, jealousies and desires of those that work within the Sanguiwon during the Joseon Dynasty period. The Sanguiwon are responsible for the attire worn by royalty. Dol-Seok is the best master artisan in charge of royal attire. He views set rules as paramount to his job. Kong-Jin is a genius like designer, born with dexterity and an excellent sense. He was brought to the palace by nobleman Pan-Soo who first spotted his talent. The King and Queen then become embroiled in a critical case because of the royal attire made by Dol-Seok and Kong-Jin.
Troll Farm uses NIS’s illegal election manipulation scandal as a motif. It revolves around the troll farm that infiltrates many Internet websites to manipulate public opinion by posting malicious comments.
