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.
Charles and Peter have passed their law degree and are looking forward to wooing a few girls in the country. For that, they need a chaperone and persuade their fellow student Ditlev to play Charles's aunt from Brazil. Ditlev has a talent for acting and takes the role very seriously, but when Charles's real aunt turns up, things get complicated.
The story centers around the busybody housewives of a modern Danish working class neighborhood of the 1960's. A remake of the Norwegian comedy film from 1959.
