Following the aftermath of a horrific accident, a woman is voluntarily subjected to artificial intelligence for rehabilitation.

Since the death of his pregnant wife in a Haitian earthquake 12 years ago, Victor Fielding has raised their daughter, Angela on his own. But when Angela and her friend Katherine, disappear in the woods, only to return three days later with no memory of what happened to them, it unleashes a chain of events that will force Victor to confront the nadir of evil and, in his terror and desperation, seek out the only person alive who has witnessed anything...

Oilman Paul Sturges' idyllic family vacation turns into a nightmare when they encounter a ferocious megalodon shark that will stop at nothing to protect its territory. Stranded and under constant attack, Paul and his family must somehow find a way to get his family back to shore alive before it strikes again in this epic battle between humans and nature.