Doo-shik (Jo Jung-suk) gets paroled from prison thanks to his younger brother (Doh Kyung-soo) Doo-young. Doo-young is a promising judo athlete. After 15 years, Doo-shik suddenly appears in front of Doo-young and they begin to live together. Doo-young becomes involved in an accident before the selection for the national team.