When Celestia falls ill, to the point of no recovery, a new princess must be found.

Rarity loses her sister and her foal in a fire started by an arsonist, and must catch him.

Carmella is a simple, career-set Alicorn living in a madhouse full of roommates.

A teenage girl by the name of Sofia Gale befriends Molestia and soon decides to live with her.