When a lobsterman pulls up a 200-year-old anchor, Cranberry Island is abuzz with excitement. Is it from the elusive Santa Elena, a famous 18th century pirate ship? Soon the island is swarming with marine archaeologists, treasure seekers, and ghost-hunters. It's good news for Natalie—and the Gray Whale Inn—until one of her guests turns up dead. Will Natalie find the killer? Or will she be joining the lost ship's crew, down in Davy Jones' Locker?