Ho-jin is a high school girl who has been dating her teacher, Young-ho. Yong-jin, Ho-jin ́s best friend has a crush on her and waits for her
to notice him. One day, Young-ho tells her that he wants to end their
relationship. She tells a lie to make him stay with her, but he disappears
all of a sudden after sending a text message. Meanwhile, Ms. Park, a passionate gym teacher, suggests helpless Ho-jin to do afterschool dance
practice. On that evening, when Ho-jin is supposed to meet Ms. Park
she faces another incident.