When Joey DeAngelo first moved to Boston from New York, he had trouble making friends. But after surviving their first ghostly encounter, he and Tank get along pretty well, except for their Yankees vs. Red Sox rivalry. They've even gone on a trip with Joey's mom to visit the oldest wooden whaling ship in existence—the Charles W. Morgan. After wandering around the ship, the climb on deck to discover they'd been transported again! This time, they are in the middle of a whaling voyage with a ghostly girl on their heels. Whales aren't the only things the boys are chasing on this adventure!