Ronald Kinnoch

In the small English village of Midwich everybody and everything falls into a deep, mysterious sleep for several hours in the middle of the day. Some months later every woman capable of child-bearing is pregnant and the children that are born out of these pregnancies seem to grow very fast and they all have the same blond hair and strange, penetrating eyes that make people do things they don't want to do. (imdb)

Vorelli is a ventriloquist & hypnotist, with an amazing dummy, Hugo. Vorelli meets and pursues a beautiful heiress (Marianne); he mesmerizes her, and induces a baffling coma. His buxom mistress (Magda) fears he'll dump her for the younger woman, and threatens to expose him. Vorelli tricks Hugo into killing Magda while he's safely elsewhere... (imdb)

Charlotte suspects that the local council is corrupt and building defective drains that could cause public health issues.