Fic: Isn't That Always The Story? (Firefly/Mummyverse; PG-13)

PG-13; Firefly/Mummy Returns, 3000 words. For Day 7. Mal and River, meet Rick and Evie.

River usually did have something like a reason for every wild hair she took. But this time, she better have her a reason that even her busted-up old Captain could comprehend.

Isn't That Always The Story?

(Linked @ wishlist_fic and AO3; written for vialethe)