Kang So Hwi, a beautiful martial arts prodigy, is about to embark on a journey into adulthood. But her journey is like no other. Her super-human strength and martial arts prowess scare away her fellow undergrads and even the boy she has fallen for. Devastated, So Hwi decides to give up martial arts and takes a different path. Her father, a martial artist himself, is afraid of losing an heiress to the family's martial artistry, and missions So Hwi's old buddy, Il Young, to persuade her to stay in the field. Meanwhile, the evil Heuk Bong provokes a war to conquer the martial arts world with the legendary Fine Blade he stole in the past, killing every swordsman one after another. So Hwi's father comes to a showdown with Heuk Bong, but the battle leaves him fatally injured. On the brink of her father's death, So Hwi picks up a sword again with a burning desire for revenge.