A shipwrecked sailor stumbles upon a mysterious island and is shocked to discover that a brilliant scientist and his lab assistant have found a way to combine human and animal DNA—with horrific results.

General Romero, leader of a small Latin American country, is showing the UN how he's taking care of his country's drug problems by publicly burning crops of marijuana. As soon as the inspectors leave, however, Romero quickly returns to business, producing and shipping the illegal crop. When his right-hand man is convinced by a crusading reporter to turn away from his life of crime and help bring his boss to justice, Romero vows to stop at nothing to prevent this traitor from talking.

A maniac butchers a fashion model on a Caribbean island and leaves the body to be eaten by rats. The model's sister suspects something isn't quite right with the police investagation and decides to go snooping on her own. With her friend, Fred, their investagations lead them to an unknown part of the island where they discover a monstrosity of a rat like man. The creature is killed by Fred, but the true horror of it's nature is just beginning...