When a deadly marine creature escapes AUTEC, the US Navy's top-secret Bahamian research facility, retired Navy SEAL, turned marine biologist, Jack Tarr, is called back into action. Reluctantly leading a team of SEALs, Jack embarks on a perilous pursuit across the Caribbean, through the treacherous Florida Keys, and into the stormy Gulf of Mexico.

But the hunt takes a dark turn when Jack uncovers a shocking link to his best friend's mysterious disappearance. As the terrifying creature pushes the team to their limits, Jack must navigate a web of Navy secrets and confront a horrifying truth-one that could shatter everything he thought he knew about loyalty, survival, and the ocean's darkest depths.