While going through the possessions of a deceased guest who owed them money, the mistress of the inn and her son find a treasure map that leads them to a pirate's fortune.
When Jack Dodd and his father are accused of stealing cars in Bayport, Frank and Joe work against the clock to prove their innocence while also searching for a lost treasure.
A talking parrot and the rumor of buried treasure give hope to ten-year-old Jessy and her stepbrother Matt that they can save the Texas farm they have inherited from Great-Uncle Matthew.
While working for the National Underwater and Marine Agency, Dirk Pitt and Al Giordino uncover the deadly plans of a Mongolian mogul to deal oil to the Chinese and ruin the global market, and discover the scheme is linked to the treasures of Genghis Khan.