Shin Yiseok, a transfer student from the countryside who is rumored to be a strange due to her sloppy appearance, witnesses the cunning secret of Jo Haejoo, the top student in the school, whom she fell in love with at first sight... Questions about him gradually grow like a snowball. Shin Yiseok, a true tomato ,unrequited love bombardment begins for Jo Haeju, who is shiny on the outside but is white on the inside!