Ellora's business has been in freefall since the dragon sheikh Ad Arphax opened a competing brothel nearby. So she sets out with ruffian Norden to find the Isle of Mermaids, whose siren song should bring in the customers and put her back on top. But the journey is wrought with fantastic dangers, not the least of which is the Amazon pirate Tao Bang - an old acquaintance of Norden's - now in the employ of Ad Arphax...