Scanners Series by Karen Fox

When his daughter leaves their antiquated world to find the legendary sword that could save them from doom, Beckett MacLeod is forced to go after her, leaving his planet for the first time. To find her, Beckett exlists the help of the best tracker in the galaxy--and the most beautiful woman he has ever seen. But does he have the patienec for the free-spirited adventurer?

As an officer of the Alliance, Sha'Nara has been trained to destroy the psychics who seek galactic domination. But on a mission to protect the Director-General's daughter, she is captured by Tristan, to whom she is instantly attracted. Far from being the monster she had been prepared for, Sha'Nara finds a man whose dreams she admires.