Seongjoon is training with his mentor Jinsu in order to win a Taebaekwon contest. The night before the final round of the competition, Seoungjoon returns to find Jinsu who has suddenly disappeared. Seoungjoon meets Bomi by chance there and they unexpectedly get married. He opens a finger-pressure treatment clinic to make a living using Taebaekwon, which he has practiced his whole life. As he makes full use of his talent, his clinic goes viral, but this business and his family are soon put in jeopardy by loan sharks and redevelopment groups.