Ratman

A maniac butchers a fashion model on a Caribbean island and leaves her body to be eaten by rats. When the model's sister begins to suspect that something isn't quite right with the police investigation, she decides to go snooping on her own. With her friend Fred, their inquiries lead them to an unknown corner of the island, where they discover a horrifying rat-like creature. The monster is killed by Fred, but the true horror of its nature is just beginning...