For years, scuba instructor Lena Torres has known the waters of the Florida Keys better than almost anyone. She has watched reefs recover from storms, witnessed the fragile balance of marine life, and devoted her life to protecting the ocean her father taught her to respect. So when an entire stretch of coral begins to collapse in a pattern she has never seen before, Lena refuses to accept the easy explanation.
Then she discovers strange equipment hidden beneath the reef.
Someone has been conducting secret research.
With Dr. Gabriel Mercer, a brilliant marine scientist haunted by what he failed to expose years earlier, Lena follows a trail of underwater clues toward an abandoned research station and the long-buried Meridian Legacy. What they uncover suggests the dying coral is not the result of environmental damage at all. Someone Keys, Lena and Gabriel find themselves racing against an organization that will do anything to erase the evidence. Beneath the waves lies the final is deliberately manipulating the reef to trigger a biological response-and powerful people are determined to control the discovery.
As a violent storm approaches the Florida Keys, Lena and Gabriel find themselves racing against an organization that will do anything to erase the evidence. Beneath the waves lies the final piece of a decades-old mystery, and the deeper they descend, the more dangerous the truth becomes.
Now Lena faces an impossible choice: save the evidence or save the reef.
In the depths of the Florida Keys, the ocean has been keeping its secrets for decades.
And now, it is ready to reveal them.