"You do not need to be a cleric to bring light into the world."
(a Mage follower of Isis, npc suitable for any fantasy campaign with gods of light.)
A modern day doctor who’s lack of morality has led him down dark demoniacally unnatural paths he hopes will give him complete control over his patients lives.
Rage, lady assassin of the streets and defender of the downtrodden.
The PCs are sent with a diplomat to another country to protect him and do his bidding. There may be some espionage, rescuing, downright bullying, etc. Could make a nice medieval, special operations background.