The place of winding streets, and colorful cafe’s is the setting for a murder mystery. Douglas Milton had run away to escape blame for a crime. His fiancé hires Holmes to find him to let him know the real criminals. Has been caught, and its OK to come home. All Sherlock has is a painting by Douglas to find him.
The trail leads to the Foreign Legion, and tracking down a deserter. Watson thinks the charm of the Casbah is over rated. An informant who threatens to turn scoundrel amuses Holmes, but he gets the information he needs about an Englishman in hiding. Holmes spots evidence that they aren’t the only ones searching for Douglas , but the parties may have harmful motives.
Disguises go into play to go further in the lawless Casbah. The race is on to find Douglas before bodies begin showing up. A confrontation turns Douglas out, but will he be keen on returning to England, even knowing his name is clear? Just when the case is solved, Holmes reveals the truth behind loose ends, and what really happened to the missing man.