For years, Jonathan Damon has buried himself in his scientific research, but now his uncle threatens to pull the funding for his lab unless Jonathan makes strides toward marriage and family. So he decides to bring a fake fiancee to his cousin's wedding to mollify his uncle. And the only convenient candidate for this particular experiment is Sarah.

Sarah has been Jonathan's assistant for years, and she knows he's never thought of her in any other way. She's happy to play the part of his fiancee, but being thrown into unusual intimacy with her brilliant, sexy boss stirs up feelings she has never been able to admit before.

If only those feelings could be returned...