While on a stopover in the mysterious African country of Zarundi, Jocelyn Osgood - that well-known Valkyrian Airways Flight Attendant and 'good friend' of Cairo Jim - becomes unwittingly embroiled in the theft of a priceless royal tiara. She and her friend, Joan Twilight, find themselves thrown into a world of subtle chaos which carries them across an intriguing and colourful landscape as they try desperately to locate the stolen regalia and two renegade Tropical Xylophonists.