The fiancée a novel

"Summer's looking forward to a break when she, her husband Gabe, and Gabe's nine-year-old son arrive at the annual family get-together at her in-laws' sprawling Pennsylvania estate. On the agenda are leisurely gourmet meals, tennis matches, and plenty of relaxation by the pool. But this year, Gabe's brother Nick has invited his new flame Hannah, whom Summer immediately recognizes from an acting gig they both did a few years before. Oddly, Hannah...