A story of falling in and out of love in the years it's most expected with the people you least expect.  

5 friend make a promise to each other when they in elementary school...They promise to do what each of them like together... But what will happen if two of them die and the rest that still alive forgot the promise they do....

I used to love celebrating my birthday before... everything was just fine and we were happy. not that I hate it now, but I just wish that even without celebrating it, I can at least hear.... a simple birthday wish from you...   can't I?

It's the school dance. Junsu is alone. Then he sees Changmin...          

20 years these two men had no longer see each other, now, they meet again. Yunho and Jaejoong had been in a relationship before, but because of jealousy and misunderstand, Jaejoong left Yunho with anger and wished not to see Yunho anymore. But now, Yunho comes back, although Jaejoong still hates him, Yunho still want to love and make him happy again, even if it is for the last time...

Junsu took a flight with TVXQ. .   .   .   . as the fans thought.