![Lightyear](https://www.113movie.com/wp-content/uploads/b9t3w1loraDh7hjdWmpc9ZsaYns-185x278.jpg)
Dong-chun, an elementary school student overwhelmed with seven afterschool learning academies, stumbles upon a mysterious bottle of rice wine during a school retreat. As the rice wine ferments and emits strange sounds like Morse code, Dong-chun sets out to unravel its identity and discovers the secrets of the world and the reasons behind her current way of life.