Sunken treasure in the Atlantic Ocean! Millions of dollars in gold just there for the taking. All our hero Tom Swift has to do is find it, and recover it. He knows the latitude and longitude, but it's not that easy when the treasure lies somewhere leagues beneath the surface of the ocean. But leave it to our hero, his amazing submarine, and his faithful friends to find a way.
Sail along with Tom Swift on another exciting adventure battling the forces of nature, sea monsters, and of course, evil villains, as he searches for treasure on the floor of the Atlantic Ocean.