Hailed as a hero for the new millennium, NUMA leader Kurt Austin must protect the seas� delicate ecosystem from a fish-farming organization with big plans for their genetically-modified product in this #1 New York Times-bestselling adventure series.

A confrontation between a radical environmentalist group and a Danish cruiser leave many survivors trapped inside a sunken ship. But when the head of NUMA Special Assignments, Kurt Austin, and his colleague, Joe Zavala, are enlisted to run the rescue operation, they uncover a far more sinister agenda on the part of the supposed environmental group. Their agency, Sentinels of the Sea, is connected to a shadowy multinational corporation with plans for controlling the world�s oceans. And somebody within the company is willing to kill anyone who gets in the way.

When Austin narrowly escapes an explosion on his own boat, he becomes certain he�s the next target. This can only mean he�s onto something big. In fact, he�s in the midst of an environmental disaster that has already begun, and only he and NUMA� stand in the way�.