Altered
Law & Order
(Probably not what you expected and way under the word count, but it fits).
There was something so familiar about the new paralegal....
The few times Jack McCoy interacted with blond, blue eyed Sebastian Easterly
he had a definite feeling of dejavu. The posture, the gestures, the knitted eyebrows all evoked fleeting memory--but of what, of whom?
The feeling vexed him off and on for months, until one day, as the young man strode into the office with case research, it hit him.
"Serena...."!?