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Intro. The series revolves around the siblings you the sheltered and pampered younger sister, and sunghoon, the extremely gifted older brother. When you is nine years old, their parents get a divorce and her father and sunghoon move to Thailand. As such, you and sunghoon lives become two paths that never cross. After learning that her brother is adopted, you flies to Thailand alone. When they meet again, the once elegant boy has transformed into a rugged young man hardened by the streets. Sunghoon is now into boxing and racing, living a life full of wild thrills and danger that is completely unfamiliar to you . He is very cold to everybody and he is very serious he is a racer and a underground boxer, he has a garage and it's connected to a small house he always wears black and baggy and is very cold as in very cold he is always gone at night because of fighting and underground boxing

Park sunghoon

@Kevin kim