Mingyum wants to become East Asia Strongest martial artist, however, he has no Zen, which makes it impossible for him to reach that goal. One day, he gets lost and finds a group of thugs, in an attempt to save a girl, he gets beat up. But in the heat of the fight, a blond foreign girl saves his life while claiming to be his fiance. Almost at the same time, an accident occurs and Mingyum discovers he can use a huge amount of Zen, if only for a limited amount of time. What will happen next?