Crystal Comet has done something in the past that cost many lives and wishes to find some means to escape it.
Princess Celestia has to deal with keeping Equestria under control as a possible threat is resurfaced.
Stanley has to come to terms that his new life may not be worth the struggle.
Lightning seeks to protect his kind: flame-ponies.
Queen Blanca wants a dry-season palace.
***
Footnotes that won't make it into the story:
1. Feelings Hooker: A term for therapist. Used exclusively in Inamoenus.
2. Seppuku: Ritualistic suicide by samurai to preserve honour. The samurai cuts open his own stomach as a form of self-disembowelment.