After the heroine Kim Eun-ah broke up with her friends, she met the boy "Black Shadow" in a new school one night, but she didn't know who it was... The next day, she met a famous "problem girl" in front of the school, and her name actually sounded the same as hers? ! I was misunderstood by the director and teachers. On the rooftop balcony of the school - what is her fate after experiencing a bizarre "fainting incident"/reappearing? Slowly being revealed...