To-il tutors high school student Ho-hoon, but she soon falls in love with him and gets pregnant. The film unfolds a series of playful happenings when To-il embarks on a journey to find her birth father for the wedding, though she is living with her step-father.
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.
Lee Ba-duk, once called a Ba-duk prodigy, quit playing go. At the local Omok competition, where she played for the prize money, Lee meets with Omok genius Kim An-gyeong and goes to the national tournament. Finally, Lee confronts an inevitable battle with Kim with a terrible secret.
