Mang-wol, a master of martial arts, has doubts about the life he has led. Taking Yong, the son of Pak who he had nearly killed in a fight, Mang-wol disappears. As time passes, Mang-wol teaches Yong martial arts. Yong becomes an adult. He goes into the city to get medicine for Mang-wol. Yong runs into Nan-si, a woman…