After freeing a young Bedouin girl from her unjust imprisonment in Jerusalem, Phryne Fisher begins to unravel a decade-old mystery concerning priceless emeralds, ancient curses and the truth behind the suspicious disappearance of Shirin's forgotten tribe.

In the 1800's there was a woman that little children would take their old teeth (ones they had recently lost) to in exchange for a gold coin. A few years later, tragedy struck her, first a fire in her house which caused her to not be able to go into any type of light, and then she was hanged. There's a story that goes around the town of Darkness Falls about her, and she's called the Tooth Fairy. The story goes that she can't go in the light, and if you wake up and see her, she'll kill you. The...