Terry goes undercover to find out why a mini-cab firm is suffering so much violence.
When Steed returns from holiday he discovers that Emma is missing, and that 'Auntie' has taken the needle to just about everyone. Working by the book, the shapely Georgie proves herself an ally. And Emma? She just sits it out until Steed outbids his rivals!
Colonel March hypnotises five people into thinking he is the murder victim in order to find out which of them killed Lord Telford.