This is a story about Kyuhyun and Siwon, about their complicated situation while having a crush on each other. The internet gives them an opportunity to get know each other, maybe to fall in love..

But there's someone who doesn't approve online dating between two gay people and he/she, as known as Person X, starts to chase after Kyuhyun. The person interrupts Kyuhyun's new relationship with messages and causes trouble to their families. Siwon promises to protect Kyuhyun no matter what, but it's not easy to him either. Who's this person, what does he/she want? That's something Kyuhyun wants to figure out, until it's too late.