Agent of Change (Liaden Universe Agent of Change, 1)

Fleeing the scene of his latest mission, Val Con yos'Phelium finds himself saving the life of ex-mercenary Miri Robertson, a young Tarren on the run from interplanetary assassins. Thrown together by circumstances, Val Con and Miri struggle to elude their enemies and stay alive without slaying each other--or surrendering to the unexpected passion that flares between them.