In Nancy Drew: Ransom of the Seven Ships, Nancy Drew, and her best friends Bess and George travel to the Bahamas for a fun-filled vacation when Bess is suddenly kidnapped and held for ransom. Throughout the game, players assume the role of either Nancy or George, depending on the scene, as they search for the missing artifact from the Seven Virtues fleet that will rescue Bess from the kidnappers. During the quest for the lost treasure, players will immerse themselves in the Bahamas diving, sailing, and interacting with wildlife. They will also decrypt a riddle book, unlock treasure chests and explore dangerous underwater shipwrecks.