Luster Dawn has been dispatched to follow in Twilight's hoof tracks to her old hometown of Ponyville. And, like Twilight did with Celestia, she has homework. Consistent friendship updates are expected, although they may not always come on time.
"When the dust has cleared, and victory denied; a summit too lofty, river a little too wide. If we keep our pride, though paradise is lost, we will pay the price, but we will not count the cost."