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.

Rambo must confront his past and unearth his ruthless combat skills to exact revenge in a final mission.