

When a group of hoaxsters called the Hellfire Club mix murder with their mischief, Steed and Emma demonstrate a few tricks of their own. The whalebone corset, high laced boots and spiked dog-collar Emma wears as the "Queen of Sin" were designed by Diana Rigg herself, and resulted in A Touch of Brimstone being banned from American TV.
Four agents have vanished, looking for each other, in Little Bazeley-by-the-Sea. Steed and Emma go in for the man who went in for the man who.... and meet the odd local landlord, blacksmith and vicar. Are they more than they seem?