Eight years later, Tae-woong, now 25, is a nameless boxer, living a completely different life. He abandoned his mother, dropped out of school, left mathematics, and pursued boxing in honor of Jung-kyu, but he still bears painful memories of his past. He then meets Bo-ra (Sung Yu-ri), a beautiful, but cold-hearted young woman. She is the daughter of a rich businessman, but has an incurable disease. After a chain of events, Tae-woong is hired as her chauffeur. They end up falling in love, but Tae-woong discovers that she was the little girl that he met eight years earlier, and that she is Jung-kyu's little sister. Throughout the story the two learn to find true happiness by helping each other. Tae-woong melts Bo-ra's heart with love and helps her open up her heart. In return Bo-ra helps Tae-woong with his painful memories of the past.