From RomanceComics.com:

She was left at the altar. Not even the best man can stop her from finding her groom.

The wedding is about to start and everything looks perfect… But Dawn Featherington is filled with anxiety. Her soon-to-be husband is nowhere to be found. It is Cooper Edwards, the best man and brother of the groom, who tells Dawn that his brother isn’t going to show up. And cynical Cooper is determined to keep Dawn from finding him, believing she is only after his brother’s money. To keep an eye on her, he joins her on a weeklong road trip that takes an unexpected turn of events!