Lovely Rivals

Lovely Rivals Hangul vs RRYeoseonsaeng vs. Yeojeja lit. Female teacher vs. female student is a 2004 South Korean comedy film about a harsh teacher and her headstrong 5th grade student who battle for the affection of the schools handsome new teacher. The film attracted 1,175,580 admissions in 2004.

On the first day of the new elementary school year in Korea, Ms. Yeo Miok Yum Jungah lays down the law to her students. She is strict and demanding. When her new student Go Minam Lee Seyoung arrives late and calmly takes her seat, Yeo ignores Minam. Assigned bathroom cleaning duty as punishment, Minam beats up the girls who taunt her and forces them to clean instead. At home we see that Minam lives with her mother, who rarely has time for her because of the hours she must work at the food and alcohol tent she owns.Back at school, the newest male teacher Mr. Kwon Sangmin Lee Jihoon is causing a stir with his handsome good looks, and every female teacher and student is falling for him. Minam tries to apologize and unburden herself to Ms. Yeo, who ignores her while trying to impress Mr. Kwon. Minam decides to compete for him as well, even getting his cellphone number. Mr. Kwon goes to Ms. Yeo for advice on how to deal with the students affection, not realizing she likes him too. The teacher and the student start a heated rivalry that climaxes when Ms. Yeo slaps Minam in classand is recorded doing so on a students cellphone camera. ........

Source: Wikipedia