Quietshy is a young filly like the other girls of her age and very shy but she has a secret, she is the apprentice of the famous Daring Do. Whenever she needs her, Quiety becomes Miss Whistler, her alter ego and she goes to explore temples, dungeons, tombs to find treasure of past and take them in the present.

During an exploration. Daring Do and Miss Whisper meet the Keeper of the Harmony Stones. But because of their confrontations with Caballeron, the stones scatter across Equestria.

The two explotatrice in front of recovering them.