Starlight tries her hoof in writing poetry, and while Sunburst knows more about the genre than her, she thinks she would rather die than let him read it, since most of them are about him.
After a "request" from Starlight, she and Sunburst are preparing a date for the weekend. As everypony knows, when those two ponies plan something, nothing ever goes awry.
(Prequel to "Birthday Built For Two".) On a trip to the Crystal Empire, Starlight finds Sunburst acting rather strange. Before she has a chance to ask him though, she gets roped into helping him foalsit Flurry Heart for a day.
Sunburst has messed up everything between him and Starlight. Now he has to amend the situation, but what is the correct form of doing it when she has an unstable personality and the powers of a goddess?
Starlight Glimmer has returned to the present to find herself a member of the Mane 7. She is now a bearer of an element of harmony, and has a husband—her soulmate, Sunburst. So, what happens the morning after?