Drake heads to North Africa to gather evidence of a slaving ring. Along the way he helps out a stranded woman, while simultaneously using her to help accomplish his mission.

Another well-done episode, notable mainly for Naismith playing quite against type as an unctuously sinister slaver, and for the first of several appearances by Cuby as a precocious native boy. Also the first of many appearances of familiar Arabic sets, including the same desert hotel room Drake always seems to get booked in!