Celestia "tough[s] out an obnoxious day on the throne while looking forward to a slice of cake." She's getting too old for this. (And Lyra gets un-backgrounded(!))
Equestria has been granted unlimited electricity thanks to Flim and Flam's changeling batteries. Cadance isn't okay with abusing love to power a modern Equestria. Shining Armor can't let her destroy it all. Only one gets to win.
Fairweather Haven is many things. A Queen, a celebrity, a shining beacon of hope for a flightless people. A fraud, a widow, a mother who struggles to connect with her eldest daughter.
“Something’s wrong with that one; it’s been infected! Those ponies won’t be able to handle it on their own! I shouldn’t intervene, but they need help in a BIG way. Time to make a call…”