School 2021 is the story of students attending a specialized high school and seeking their ambitions, rather than going off to college. It will delve into how these students learn about love, friendship, true passions, and growing up in an intense environment. Gong Ki Joon is a hardworking student who assumes work and school simultaneously. He is a person who loses his dream 11-year dream of taekwondo due to injury and is unsure of knowing what to do. Jeong Young Joo is a transfer student with a hidden story and a past connection to Gong Ki Joon. Jin Ji Won, a confident high school girl with a solid dream, confidently communicates her opinion though she is in conflict with her mother about going to college. Kang Seo Young is a gifted student who is preparing, by herself, for college entrance exams. She is aiming to enter one of the top five universities in Korea.

New friends, new loves and new experiences mix together inside a colorful college dormitory in Korea that's home to students from around the world.

Se Young is the youngest head of the management team of Dreams, a cellar-dwelling baseball team. She's highly recognized for her perseverance and intense passion for the team. One day, Seung Su is appointed as a general manager. Although he's been working in the sports field, the teams he led to the championship were unpopular, and some of them were even disbanded after winning the league due to the financial difficulties of their parent companies. Would this unlucky new general manager be able to steer Dreams to the championship with passionate Se Young?

A TV producer discovers a secret supernatural world as she becomes entangled with a former deity who's spent centuries searching for his lost lover.