A woman gets killed in a department store. No one imagines this could lead to serial murders, but two days after the first murder, another homicide occurs. A woman is suffocated to death and the only evidence left at the crime scene is a sticker of the cartoon character “Princess Aurora”.

So-hwi is a martial arts prodigy and college student. Realizing that her superhuman strength is holding back her love life, she decides to quit martial arts to pursue handsome hockey player Joon-mo. But Joon-mo is in love with an older woman, and when So-hwi's mystical martial arts community comes under threat from an old enemy, Heuk-bong, her childhood friend Il-yeong must persuade her to return.