Joon Ho is a third year high school student who just finished taking his university exam. His main interest is to sleep with Seo Yeong, his girlfriend, but, so far, she has turned him down.

A zombie virus breaks out in Busan and spread across the rest of the country. Seungbeom turns into a zombie, but, with the help of his girlfriend Jiyoon, gets vaccinated and returns to normal. A year after the vaccine comes to the rescue, those previously afflicted with the virus are still subject to invisible discrimination. Having survived the zombie virus that lasted for four years, Seungbeom proposes to Jiyoon, and she reveals a secret that she’s been withholding from him.

Three 20-year-old-men visit Seoul after their college entrance exam ends. They expect to have some fun with gay people in Itaewon. Meanwhile, in Jongno, two gay men, Han-jae and Ji-hoon, struggle to solve their problems.

Hayun is a problematic girl who only wants finish high school, Iseop is a soft-hearted boy who cries too often. Two teenagers with a very different nature come together as friends by sitting at the same table in class. They are jealous of each other because of the things they don't have though they find solace in each other's company.

The seventeen year old 'Yeong-jae' was safely sent away to the group home 'Isaac's house'. He is old enough to leave now, but doesn't want to go back home to his irresponsible father.

Seonduk Arts High school sets a “moral distance rule”, forbidding physical contact between boys and girls. The school recommends Byeonchan and Seohyun, who have been meeting for 700 days, to transfer to another school because of this rule.

A Princess in the Joseon Dynasty travels to the Qing Dynasty to marry. On the way to there, she meets a young magician and falls in love with him.

Seong-cheol is a high school student who grew up neglected. In order to make money in a harsh society that abandoned him, he teamed up with Gi-joon, who is two years younger than him, to use his status as a minor to make money and seek a big blow. A father who left home, a sick brother and a mother whose cares for him. Seong-cheol, who was abandoned in hellish reality, starts a desperate survival in his own way.

Young-in was brought back to life by his mother with the help of AI. However, the sweetness of seeing his son again didn't last so long. But soon, his mother realizes that the AI ‘deleted’ Young-in’s consciousness and has been pretending to be him.

During a high school music exam to assess the singing abilities of students, Songju shows off his rapping skills despite the blackboard in the background stating that pop and rap songs are not allowed. The teacher gives him an F on the test without saying anything. In the meantime, on one side of the classroom, Juyeon looks happy, watching Songju rap. He loves hip-hop as much as Songju does although these two come from completely different backgrounds. Songju is a troubled student living in a multi-house home in a less developed area while Juyeon is an exemplary student living in a fancy apartment in a rich village. Despite differences in grade, personality, and background, they decide to form a hip-hop duo called LIMECRIME.