I Finally Found You. (Carter Reynolds Fanfiction)

As young kids, Carter Reynolds and Crystal Young made a promise, not to forget about each other and try to find a way to see each other again when they get older.
She also gave him a photo of him and her. It said 'Best Friends'.
They carved C+C on a tree and made a time capsule by that tree somewhere by the hills.
Years past. Would she give up or keep going?