It's 1903 in Cairo, and Amelia dreams of a large Egyptian cat, a sign of good luck. But the luck turns when she and Emerson, who are set to dig in the Valley of the Kings, receive an ominous warning: "Stay away from tomb Twenty-A!" More trouble brews as Ramses and Nefret, unknown to their parents, begin to sneak about to help an American who believes she's being stalked. When tomb Twenty-A reveals a mummy wearing silk unmentionables, Amelia is trapped in a labyrinth of murder, passion and deceit.