Tae-soo, a kung fu fan who lives on a remote island with his grandfather Kim Yeong-gam, will come to Seoul along with his uncle Ik-seong who suddenly came. Tae-soo, who had a happy life in school, making friends for the first time in his life had to deal with the school bully Min-hyeok through kung fu.
Donghyun
as Tae-soo
Song Min-gyeong
as Mi-ran
오광록
as Old man Kim
김성수
as Ik-seong
서영
as Youngest aunt
