A story that captures the challenges, spirit and passion of youth as two students at the Korean National Police University study to become cops.

This romantic comedy chronicles the life of Mirae, who has always believed that her life would be better if she were born more beautiful. After she goes under the knife, she comes out looking like the beautiful woman she has always dreamed of becoming. She feels ready to take on the world for the first time, and she falls madly in love with Seok, the perfect man. Except Seok hates people who get plastic surgery.

Park Chan-Hong is an ordinary high school student. He has talent for writing and he gets pressured by his parents about his studies. Park Chan-Hong doesn't have any specific dreams. He is friends with Eom Se-Yoon, who attends the same high school. She is popular at school. Meanwhile, Heo Don-Hyeok is classmates with Park Chan-Hong. Heo Don-Hyeok is not interested in studying and he works to pay for his living expenses. One day, Heo Don-Hyeok saves Park Chan-Hong from a school bully. To pay for his rent, Heo Don-Hyeok asks to borrow 300,000 won ($270 USD) from Park Chan-Hong. Park Chan-Hong lends him the money, but that money was supposed to pay for his private institute tuition fee. After school, Park Chan-Hong now doesn't have a place to go. He begins to spend time with Heo Don-Hyeok.

A man named Shin Woo regrets letting his first love go ten years ago because he didn't have the courage to confess. However, he gets the chance to win her again when he travels back in time, and this time he's armed with the knowledge that she liked him back then too. Unfortunately, he has a pretty strong competitor: himself from ten years ago. The present Shin Woo and the past Shin-woo engage in a fierce rivalry to win their love's heart.

Gil Oh-so, an employee at a cleaning company, meets Jang Seon-gyul, the boss of the company. The two are diametric opposite when it comes to cleanliness. With the help of Oh-sol, Seon-gyul faces his mysophobia and falls in love with her.

Generation Y, meet Generation X: on the heels of the success of Answer Me 1997, ‘90s nostalgia continues with a series set in 1994. Journey with a group of high schoolers as they discover the now legendary—then new—K-pop group Seo Taiji and the Boys, as well as the Korean Basketball League, "new" technology, and grungy fashion trends. Sometimes you’ve just got to look to your past in order to appreciate the present. Every generation is sure to find something to love in this field trip back into time!