Lee Taemin, Choi Sulli and Kim Kibum or Key are a good friends since young.

Secretly Taemin had a crush on Sulli but the problem is that Sulli had admired Key for a long time.

The only person who know about this is Taemin.

Sulli then had to follow her parent to move to London.

One day Sulli sent an email to Key but Key refuse to reply her mail.

So Taemin reply the mail so that Sulli won't be disappointed.

But the thing is Taemin change his name to Key.

Sulli was so happy to receive the mail because she thought Key is the one who reply the mail.

Taemin and Sulli keep in touch with each other for about 6 years

without Sulli knowing the truth regarding the real sender.

Unitl one day Sulli said that she is going back to Korea.

So Taemin ask Key to act like he's the one who sent the mails to Sulli.

Without notice Taemin just made Sulli to become more closer to Key.

What will happen next ? What happen if the truth finally revealed ?

Will Key fall in love with Sulli ? What will happen to Taemin then ?

Adapted from Shinee song tittled Graze