A high school girl named Oh Ha Ni (Jung So Min) who is in
the bottom of her class has had a crush on popular and genius male student
named Baek Seung Jo (Kim Hyun Joong) ever since she saw him on the first day of
high school. Ha Ni decides to confess through a letter, but is rejected by
Seung Jo, who tells her that he hates stupid girls.
Fate intervenes when a mild earthquake ruins Ha Ni's
family's new house. While the house gets rebuilt, Ha Ni and her father stay at
the home of her dad's childhood friend, who happens to be Seung Jo's father.
The drama continues with portraying Seung Jo and Ha Ni
moving onto college and university, whilst facing many difficulties and
problems, in which eventually lead Seung Jo to fall for Ha Ni in a romantic and
protective way.