Rick Napier is a fisherman struggling to make ends meet. The situation is made even worse when a local fishing vessel mysteriously disappears, along with a Coast Guard diver sent to search for the wreckage. As events unfold, he confronts the horrible reality of a top secret government experiment gone haywire, resulting in a hybrid creature of massive proportions. Escaped from captivity in a high tech facility in the Atlantic, it seeks to fill an insatiable appetite. Napier's life turns upside down as he witnesses the carnage and devastation, and is forced to confront a Behemoth more terrifying than anything imaginable