This hateful world only allows handsome guys to date! 'Below average guy' and Chinese restaurant delivery guy Kang Dae-oh was born single and solo until now. He has a crush on college girl Ye-rin whom he fell in love with at first sight but is blocked by her spec and hasn't been able to tell her his feelings yet.

A gifted swimmer rediscovers his talent by entering a competition against his long-time rival.