The Ghost Shark

They thought they were studying a shark.
But something in the deep was already studying them.
At a remote Pacific research station near Hawaii, marine biologist Liana Chadwick is assigned to track abnormal behavioral shifts in great white populations. What she finds is impossible-structured sonar patterns that resemble language, repeating across different sharks as if they are nodes in a single network.
The deeper she listens, the clearer the truth becomes: the sharks are not the anomaly. They...