A scientist creates a shark-octopus hybrid as a living weapon for the US military, but the creature breaks free of his control and heads for a beach resort to prey on the locals. The scientist's daughter, accompanied by a mercenary and a news crew, sets out to end the monster's reign of terror. Horror, starring Eric Roberts and Kerem Bursin.

The U.S. Navy's special group "Blue Water" builds a half-shark, half-octopus for combat. But the sharktopus escapes and terrorizes the beaches of Puerto Vallarta.