iu was a poor girl who had a scholar ship to a famous rich people school.she met a group call F6.she fell in love with one of the member name Wooyoung while she was tutoring them.iu and wooyoung start to fall im love.but Wooyoung's mom disapprove so she told iu to leave.iu follow her order and left with Yoesob to Busan but latter she found out she was pregnant with Wooyoung's baby.when she left Wooyoung was devistated he became a heartless player like he was before and took over his father'