A father trapped in a terrible underwater accident. A son desperate to do something--anything--to save him. A digital read-out ticking down toward certain death--and a fate more horrible still...For Alan Rockaway, his teenaged son Jeff, and Alan's new bride, Jenny, it's been little more than a fascinating tourist submarine excursion, a leisurely end to a weeklong church-couples' cruise. Then the horrifying crash and the plunge toward the unknown....Everything...

Following the events Jerry Mitchell encountered in Dangerous Ground, the pilot-turned-submarine officer is now a department head, the navigator, aboard USS Seawolf. Now on a mission deep in the Barents Sea, north of Russia, Seawolf explores the sea floor, part of a sophisticated reconnaissance plan that will watch the Russian navy as it trains for battle. Although well outside Russia's territorial waters, Seawolf is ambushed by Russia's newest submarine,...