Rarity discovers that her supply of gems is awfully low, and it probably didn't help that she used a lot of them just the other day in designing a new dress. She needs more gems if she's ever going to finish the new clothing line she already designed. Yet, most caves in Ponyville she's already been to. Determined to find more gems than before, she will go to a cave far from Ponyville. She did mention it to her other friends, but it seemed they were too busy to pay attention. Hmph. She invites Spike along like last time so that the two of them can gather enough gems for her new clothing line. Even though she wanted to gather more gems than that...

Rarity and Spike travels to the cave, but will discover more than just gems. Within the cave, unknown to Rarity before she traveled there, many bat ponies migrated there. It was that time of year, yet one bat pony is left behind. She will need their help if she is going to return to her colony, or ever face them, again. Not only that, she will need their friendship if she is ever going to do either. Will Rarity and Spike be able to help her? Why was the bat pony left behind? And, why didn't Rarity's friends tag along for the ride? -- Stay tuned in to find out!

--- Note: If readers are hoping that the romance is between Spike and Rarity, it's not. The romance is between two other ponies, yet I will go into a little for Rarity and Spike. ---