From fictiondb:

From employee to mommy-to-be...

Career-girl Kristen Lewis is at the top of her field. She's driven, sensible--and her spur-of-the-moment decision to have one perfect night with sexy Nate was totally out of character! She puts it behind her...until she's faced with two shocks: she's pregnant...with her boss's baby!

Nathan Boyd, one of Australia's leading entrepreneurs, buries himself in his work to forget his private torment. But now he's faced with a dilemma: the first woman to tempt him in a long time is his employee.