
Plot
Yong-soon is an 18-year-old high school student. She falls in love with her gym teacher, but she thinks her teacher might have a girlfriend. Yong-Soon and her friends try to find out whether he does have a girlfriend, but they can't find any clues. Making things worse, her father brings a new stepmother from Mongolia.
Trailer
Cast

Lee Soo-kyung
Yong-soon

Choi Deok-moon
Father

Park Keun-rok
Gym Teacher

Kim Dong-young
Bbak-gyu

Jang Hat-sal
Moon-hee

Choi Yeo-jin
English Teacher

Jang Hye-jin
Restaurant Staff

Kim Keum-soon
Super

Woo Yeon-seo
Teacher

Jo Min-jae
Music Teacher