The end of the world is just an eel's length away. Get ready to squirm.
When an unknown underwater object disables an American nuclear-powered submarine and attacks a submerged Arctic research complex, a scientific expedition flies to the North Pole to investigate these incidents as well as the sudden, inexplicable rise in temperature that threatens to melt the ice cap and flood the surface of the world.
When four college students trek to the Everglades to conduct extra-credit research for their biology professor, they become prey to a huge man-eating eel with nasty incisors that’s been terrorizing a nearby Florida community, based on a true story concerning an exotic species of eels that are released in the southeast from Asia. They breathe air and can survive on land.
When the body of a man is found completely destroyed in the swamps in Louisiana, the medical investigator Sam Rivers is assigned to investigate the murder. He travels with the biologist Mary Callahan to the location where the victim lived in a floating house and he meets his family and friends. They find that Chinese snake-heads genetically engineered that belong to a wealthy hunter are attacking and killing the locals. While the group fights to survive, the hunter Jeff arrives with his team to hunt the predators.