In the final days of World War II, the Japanese launch two submarines carrying a new strain of a deadly virus to the west coast of the United States, but years after the subs are lost at sea, someone plots to use their deadly cargo.

A desperate attempt in 1917 to preserve the wealth and power of the Romanov Empire. A Cold War bomber lost with a deadly cargo. Mysterious deaths on the Black Sea linked to modern day smugglers of nuclear materials. At the center of it all is Dirk Pitt and his team from NUMA. As the danger escalates, there's only one man who can avert catastrophe. From London to Washington, from the Black Sea to the Mediterranean, the action never stops, as Pitt races...

When a key element of a new and and powerful attack submarine goes missing and ships begin disappearing in mid-ocean, NUMA director Dirk Pitt and his team embark on an international chase to discover the truth.

In the present day, Pitt makes a daring rescue from inside an antiquated submersible in the waters off New York City. His reward afterwards is a document left behind a century earlier by legendary detective Isaac Bell--a document that re-opens a historical mystery. In 1911, in Colorado, Isaac Bell is asked to look into an unexplained tragedy at Little Angel Mine, in which nine people died. His dangerous quest to answer the riddle leads to a larger...