The US submarine Memphis should have been mothballed decades ago. Instead, she is charged with one last, secret mission: to locate leaking containers of Russian nuclear fuel on the floor of the Arctic Ocean. More than just an environmental nightmare, this radioactive burial ground houses enough nuclear capability to destroy most of America's major cities. Lead by the Bligh-like commander Lowell Hardy, the Memphis' crew deals with flaring tempers, faulty machinery, raging Arctic Seas, and their newest crewmate, Jerry Mitchell. Mitchell was a naval pilot whose career ended with an unfortunate accident. Politics got him assigned to the Memphis as a weapons' officer. Now his novice skills may very well be the ship's greatest liability. Making matters worse, the President has appointed two civilian scientists to lead the mission. Dr. Joanna Patterson and Dr. Emily Davis soon find out that no matter how much power the president has granted them, this is still Hardy's ship. Nor is this mission what it seems. Lurking beneath the frigid, black, radioactive waters is a secret far more deadly than anything naval command could imagine--a secret so menacing the Russian fleet is hell-bent on destroying the Memphis and all who sail in her.