Cha Dae Hyun works as an auto mechanic. He has a strong passion and talent for working on cars. Thanks to his grandfather, who ran a car repair shop in the countryside, he developed his love for cars. With his personal life, Cha Dae Hyun has a crush on Noh Yu Hwa, but he is shy about expressing his feelings to her. She works as a manager at the car repair center where Cha Dae Hyun works. She has a charming personality, but she also carries an emotional scar that she can't forget.