After her father died, Katherine moved to the city dreaming for a normal and peaceful life wanting to escape from the group of gangsters that has been chasing her in the countryside, looking for something which she do not know about. Kath is now a 19 years old student attending her senior year in a prestigious school in the city, there she met different students which are usually children of big personalities in the country. With her excellent martial arts ability, how will she be able to survived in the city? How will she be able to create friendship with the young heirs and heiresses in the city? Will she be able to unfold the secrets behind her identity and her father's death?