![Bent Mejding](http://image.tmdb.org/t/p/w92/nakLQ4HOatrWeiCfyRdUaoUw3pT.jpg)
A portion of the tail of a prehistoric reptile is discovered in Denmark. It regenerates into the entire reptile, which proceeds to destroy buildings and property and generally make a nuisance of itself. It can fly, swim, and walk, and has impenetrable scales, which makes it difficult to kill.