Bent Vejlby

Copenhagen, Denmark, 1962. When a high-ranking Soviet official decides to change sides, a French intelligence agent is caught up in a cold, silent and bloody spy war in which his own family will play a decisive role.

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.