Devastating news: As the young head of his father's company, Seung-jo may have to marry the sponsor's granddaughter to keep the business afloat. Predictably, Ha-ni mopes, but unpredictably she allows Joon-gu to finally date her.
A high school girl in the bottom of her class dreams of romance with the boy at the top of her class. He reject and humiliates her but fate brings them together.
With the lower classes away, the school pits the senior honor students and senior losers against each other in physical challenges to prove which group is better.
As Ha-ni endures nothing but disdain from both Seung-jo and his little brother Eun-jo, their mom, Hwang Geum-hee, gets what she always wanted - a companion daughter to pamper.
Indirectly influenced by Ha-ni, Baek Seung-jo acknowledges his total lack of interest in anything and stuns the family by announcing his decision to forgo college.
While Oh Ha-ni's friends intrude on Baek Seung-jo's home, a family trip to the beach brings about desperation, a chance drowning, two sand burials, and uninvited guests.