This fic is set between S1 E16 "Sonic Rainboom" and S2 E04 "Luna Eclipsed".
Celestia has a dark secret and needs the help of the best flier in Equestria to help end her torment.
As they start to open up and share their personal secrets, they both come to realise they have something else in common - their need for each other.
Are the rumours right - will there be a Royal Wedding?
This can be read as a stand-alone story or continued to its sequel Leaving the Rainbow to Fade.