The story of one pony who just doesn't understand. Ponyville's deserted and he's alone. Can he find out the truth?

Based off TheLivingTombstone's song September.

Twilight goes down with a sickness known as Hornflu a week before Winter Wrap Up, and is left in the care of Fluttershy. There, she is quarantined until the diesease dies off. However, both are harboring secret feelings towards the other that just refuse to be known. What will come of this and, worse, their unexpected fate?
Image is by KP-ShadowSquirrel from Da. Used with his permission.