Former child stars Pamela Franklin and Karen Dotrice are old enough to be frightened out of their wits in And Soon the Darkness. While vacationing in the south of France, Pamela and Karen become the prey of a sex killer. The problem here is that everyone is a stranger to the girls, so whom do they trust? Leading man Sandor Eles sure seems to be a nice guy, but.....And Soon the Darkness was coproduced and written by Brian Clemens, one of the chief engineers of the classic TV series The Avengers.