Serenity

In a universe filled with hearts and minds as cold and dark as the reaches of space, one small Firefly-class starship named Serenity takes its ragtag crew of mercenaries, outlaws, and fugitives in search of a job, any job, that'll earn them enough cash to afford that most elusive commodity: peace.

Narrates the background story of Shepherd Book, a crew member of the starship Serenity, who, after being discharged from the Alliance following a failed mission, enters a monastery and decides to come aboard the Serenity as a missionary.