In 1922 Egyptologists Radcliffe Emerson and his wife Amelia try unsuccessfully to persuade Howard Carter to give them the digging rights in the Valley of the Kings, so they head for Luxor to search for the tomb of King Tut, only to become involved in a dangerous plot that includes kidnapping, betrayal, and intrigue.

The town of Pembrose in Cornwall, where Minerva, Ravi, and Thomasina live, is surrounded by places in the legends of King Arthur (which attract tourists), so when a famous archeologist arrives to debunk the legends, the three friends put aside the mystery of Minerva's identity and set out to prove that there really is magic in this place.

After surviving a brutal attack in Ireland, archaeologist Sophie Malone discovers that the fabled Celtic treasure she has been searching for is now in the hands of a serial killer who is using ancient rituals to satisfy a lust for violence--a discovery that causes her to become the prime suspect in a murder investigation.

Photographer Sidra Givens has been hired by Lawrence Haslett, a wealthy archaeologist, to record an expedition to the site of an ancient tribe in the Lost River Valley, a place of violence and greed that threatens her survival.