An alien starship crashes in a swamp in a U.S. National Park. Some mosquitos begin to feed from the alien's corpses, causing them to grow to the size of a vulture. These mutant insects became very agressive, killing every human being they find. Will the few survivors fight successfully against this nightmare...?

A man has been trained in a deadly form of hand-to-hand combat using ballistics and firearms. He is one of the few Americans who has perfected it, which makes him the CIA's best weapon against International Terrorism.

After a bank robbery, four criminals escape to Mexico, but a storm causes an accident which takes down the plane where several die in the crash. The criminals take it into their own hands to continue when one survivor is attacked and eaten by a crocodile. The criminals kill it, but from then on the mother Crocodile is on a killing spre...