Harmony Trebleheart has been given the task by her Aunt Shimmer of taking care of her younger cousin, Little Horn, after the younger unicorn was released from Mercy Hospital. Harmony has also been asked by her Aunt to teach Little Horn magic and use the time they share together as a family while living in Vancouver, British Columbia, Canada. Along the way, they meet some familiar friends from Ponyville who need their help.

This Side Fiction Story is Part of the Five Score, Divided by 4 Universe, created by Twisted Spectrum. It is also a sequel to Little Horn's Story, and is a collaboration between the following writers:

kwr2k13 - Little Horn: Unicorn Filly; Harmony's cousin
Guardian and Friends - Babs Seed
StrayanPhoenix772 - Harmony Trebleheart: Unicorn Mare, Singer, Little Horn's cousin
BLT185 - Crankshaft
JXWheeler - Cutie Mark Crusaders and Duo
Swirlstar- Mayor Mare
Timstro59 - Amethyst
Superpony55 - Blue Skies
ElementBrigade - Golden Moon