Im yoona part of national girl group snsd was dating with 2pm taecyon even yoona didn't certain about her feelings but she still admit that she fell in love with Ok Taecyon.. then one day taecyon dumped her without reason and yoona fell painful because she thought taecyon just make fun with her ..  everyday she feels gloomy make her unnies worried because they miss old yoona .. the dorky and cute yoona... meanwhile Kang Daesung.. part of bigbang national famous boygroup .. never dated a girl he's easy going man.. but he feels that he's not good looking so he don't want date any girl... even people say daesung is cute.. but he think that people just want cheer him

What happen when this 2 meet each other in blind date that their hyungs and unnie set it?

Kang Daesung

Im Yoona