A young couple go to check out a house they're thinking of buying. A somewhat mysterious woman tells the couple several stories of the fates that befell the house's previous owners.

Marine atomic tests cause changes in the ocean's ecosystem resulting in dangerous blobs of radiation and the resurrection of a dormant dinosaur which threatens London.

An American is visiting Britain and finds himself in possession of a briefcase full of secret documents that the spies of many different countries seem determined to get.