Lee Jae-Hoon, a promising Taekwondo athlete, is murdered by his childhood friend.
He awakens in his 10-year-old body with a mysterious Taekwondo System.
[Welcome to the Taekwondo Mastery System!]
Now at Seonghwa High, Jae-Hoon leads the underdog Taekwondo team.
He aims for the Elite 8, facing old rivals and new challenges.
Can Jae-Hoon rewrite his destiny and achieve his dreams in this second chance at life?
