Peter Gray 

The US Navy has laid vast arrays of listening sondes on the ocean floor from the northern tip of Scotland all the way to Greenland to track the movements of the Russian nuclear submarine fleet leaving their northern port of Severomorsk on the Barents Sea two degrees north of the Arctic Circle.

 

To overcome this, the Russians have developed top secret multi-frequency listening technology that can very accurately locate the American listening sondes, and the Russians plan to use it in a series of hunter killer submarine drones to destroy the American system. This top secret listening technology is based on having large, flawless crystals of carbon which have a constant oscillation frequency even in the freezing conditions of the Arctic Ocean, and the best carbon crystals to use are ones with a slight pinkish coloration… pink diamonds.

 

The race to secure the world’s best pink diamonds becomes a high priority of the Russian External Intelligence Service, the SVR, who devise an elaborate plan to force Charlie Robertson to sell his diamond empire to a Russian businessman, Nikolai Kasimov, by kidnapping Charlie’s daughter. At the same time they distract the President of the United States from a naval problem in the Arctic Ocean. They kidnap the President's daughter as well …