The USS Burning Age is a small, understaffed Miranda-Class starship that does a variety of every tasks for Starfleet in out-of-the-way, low-risk, low-priority worlds. Picking up a a confused, marooned life form might have been the highlight of its service, but that's barely the beginning of the story.
Twilight didn't mean to travel faster-than-light, but here she is, on a space ship, with no idea how to get home. She has high hopes, though: surely, this 'Federation' will send her straight home as soon as they can. Hopefully she'll survive that long.