The Plus-One Problem: A Locked-Island Murder Mystery

Everyone on Dunmore Island had a reason to want Margaret Calloway dead.

The groom's mother had spent thirty years quietly collecting secrets - blackmailing her way through weddings, business partnerships, and old friendships, filing the evidence away like insurance policies she never planned to cash out. Until now.

Event consultant Nora Walsh wasn't supposed to be investigating anything. She was supposed to be drinking champagne at her best friend's private island wedding and politely avoidin...