Oh Ha Ni is a clumsy secondary school student who falls in love with the perfectionist Baek Seung Jo. However, Seung Jo is indifferent towards her and rejects her affections. When Ha Ni’s house collapses, she and her father move into the home of her long-time friend. As fate would have it, Seung Jo turns out to be her best friend’s eldest son, and Ha Ni has the chance to be close to the boy she loves. Will she manage to win Seung Jo’s heart?