After being cheated on by her first love, Byun Baekhyun, Kim Taeyeon turns into a cold hearted girl.    After moving to Seoul, warm-hearted and carefree Oh Sehun attends a new school, where he meets the one and only Kim Taeyeon who refuses to show him any attention despite his numerous attempts to talk to her.    Will he finally be able to move her heart?    Will Taeyeon accept Sehun's feelings?    Will they finally fall in love?