Moorehaven is swarming with guests during summer's last hurrah, and Pippa has her hands full at the mystery-author B&B. When her gossip-group connections inform her that a local construction project has unearthed a skeleton with a pocketful of Spanish gold, the news spreads, and treasure hunters flood the beaches. But the skeleton has a more recent connection to the area than anyone suspected, unearthing a shameful secret that hits far too close to home.A marine salvage team rolls into town, seeking the rest of the treasure. When they hire Pippa's boyfriend, Lake, to be their pilot, the team's pretty spelunker quickly stakes a claim, rousing Pippa's jealousy. But Pippa's been playing tug-of-war over Lake ever since his ex-wife, Mallory Tavish, became the new acting chief of police.When a killer's strike brings tragedy to Moorehaven's door, Pippa must rally her friends, family, and mystery-writing guests to catch the murderer before she loses someone she can't live without and all the warmth of summer dies with one last gasp.