Their final chapter...Nicole Harrison has spent the last six months doubting her relationship with Sebastian. Between work and their sexual encounters, she's kept too busy to entertain insecurities. If her lover wanted to declare them a forever kind of couple, he would have. Anxiety over his feelings leads to one mistake that could unravel their professional life and, possibly, their relationship.Sebastian Clark has always demanded what he wants. Nicole has become his partner in more than just work, and that doesn't sit well with him. For half a year she's held all the cards in their relationship, and he plans to take them back, leaving no doubt where they stand. Somehow he'll have to convince her that a ruthless, ambitious man like himself can change.It's time to put all their cards on the table, but a PR crisis sends Nicole and Sebastian from San Francisco to Vegas, on a job that forces them to question their next step as business partners and ultimately lovers.Will they bet it all and win?