In the second half-hour, we head out to sea. Off the coast of Bermuda the famed submersible Alvin is being launched from the world's newest oceanographic research vessel, the Atlantis. There we meet the pilots of the submarine that discovered the Titanic and get an exclusive inside look at the new technology that will change how the oceans are explored. Meanwhile, the workhorse of Woods Hole's fleet, the Oceanus, is battling Hurricane Danny as it struggles to conduct tests a mile below the ocean's surface. Watching the dramatic interplay between scientists and ship's crew reveals the special relationship that develops between people who take enormous personal risk to acquire a deeper understanding of the earth.