Onew knows that Sooyoung will never fall in love with him like he has fallen for her.

After spending a summer camp together Onew is determined to know her wild and crazy life.

But after writing back and forth he discovers that her highs are too high and her lows are too low.

The energy that once made her shine is now pushing her into a much darker place.

As her behavoir becomes increasingly erratic and self- destructive he has to stop her from plummeting.

He knows he can't save her from all the pain but what if no one else can?