As the 1988 Seoul Olympics approach, a group of childhood friends come of age.
Dong-il and Deok-sun grieve in different ways for the passing of a loved one.
Deok-sun refuses to let her dance skills stop her from winning a a talent show.
Seong-gyun struggles with hurt feelings; Taek doesn't deal well with losing.
Sun-young tries to prove to her mother that she's doing OK; Bo-ra upsets Dong-il.
Taek heads to China for a tournament; Jung-hwan reads Deok-sun's writing.
Lee Hye-ri
Deok-seon
Park Bo-gum
Taek
Go Kyung-pyo
Seon-woo
Ryu Jun-yeol
Kim Jeong-hwan
Lee Dong-hwi
Dong-ryong