In addition to the romance between Cha Cha-woong, a magician and employer who handles and manages ghosts, and a passionate female police officer with occult powers, the characters will have to solve a case they coincidentally get swept up in by cooperating with ghosts to uncover clues.

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.

A story of a boys' badminton team at a middle school in Haenam as they compete in a junior athletic competition. The 16 year old boys and girls in Haenam grow as people during this time.