Compare Deep Storm

On an oil platform in the middle of the North Atlantic, a terrifying series of illnesses is spreading through the crew. When expert naval doctor Peter Crane is flown in, he finds his real destination is not the platform itself but Deep Storm: a top secret aquatic science facility, two miles below on the ocean floor. And as Crane soon learns, the covert operation he finds there is concealing something far more sinister than a medical mystery—and much more deadly.