Feeling that she is neither fully human nor "Folk," a changeling learns her true identity and attempts to find the human child whose place she had been given.
"In the days when Egypt was torn by intrigue and rivalry between Queen Hatshepsut and her young half-brother, Mara the slave played a dangerous and romantic part on both sides.".
The daughter of celebrities disguises herself as Greensleeves, a waitress, and spends her eighteenth summer gathering evidence for a lawsuit her uncle is handling.
Searching for a treasure their great-grandfather left in a "money room" on his farm in Oregon, two children realize that someone else is also searching.