Served Him Right by Lisa Unger

A group of girlfriends gather for a good-riddance brunch to celebrate a breakup, but then the ex turns up dead and everyone at the brunch has something to hide in this chilling new thriller by bestselling author Lisa Unger.

Ana Blacksmith has gathered her closest friends and sister Vera for a brunch to celebrate her recent breakup from her boyfriend Paul. But when shocking news about Paul arrives, all eyes are on Ana, the angry ex with a bad reputation. Suspicions only intensify when Ana's best friend falls deathly ill after the brunch.
But Ana is not the only one who had a score to settle with Paul. As the investigation unfolds, rumors of a secret network that uses ancient methods to obtain justice begin to emerge. Vengeance is sweet, but it can also be deadly. Ana and Vera are determined to find the truth before Ana takes the fall and their own long-buried history comes to light.