Hunted on the Arctic icecap by the Russian military, a Danish scientist has information that the US can’t afford them to obtain. He must be rescued.

The free world unleashes its best: the USS Stonewall Jackson.The mission for Commander Nathan Blake and the world’s most dangerous submarine escalates. It becomes a struggle to prevent one foreign power from dominating the Arctic’s trade and 22 % of the world’s undiscovered oil and gas.220 years of naval history weigh heavily as the US Navy takes on the might of the Russian Northern Fleet in the blackness under the ice cap. Never in history have unseen shadows fought each other in a secret naval battle. For the Pentagon, it’s a must-win situation.As the fight in the dark underworld reaches its climax, Nathan is given a solitary task. It could lead to victory or end his life.