Lena swore this year would be different—but getting ditched days before her twenty-fifth birthday wasn't part of the plan. So when her cocky, sinfully handsome ex offers her a ticket to Vegas, claiming it's just to fulfill her birthday wish of taking her there like he always promised, she bites the bullet. It's supposed to be platonic. No feelings. No slipping back into old habits. But with luxury suites, late-night pool games, and the kind of heated tension that never really died, keeping it friendly in the city of sin might be the biggest gamble of all.