Journalist Sang-jin uncovers the existence of the so-called 'Troll Factory' while investigating an online public sentiment manipulation story, and is confronted with an unbelievable truth.

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.

"80 Billion Boy" will depict the journey of a boy who entered the world of cryptocurrency early and used his big funs to carry out a secret operation.

Four different couples' love stories are told as they each visit a cafe in a quiet alley. Their romances are in different stages, from sweet to bitter, like the different varieties of coffee available at the cafe.

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.

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.

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.

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.

Lee Gong-jin, a young tailor, helps the Queen with her dress and both fall in love with each other. However, his success catches the ire of Jo Dol-seok, the royal tailor, who vows retribution.

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.