Harleigh J. Weatherby IV leads a lonely existence in the vast Weatherby mansion under the watchful eye of his great aunt Adelaide -- until a mysterious girl named Allegra literally flies over the walls of Weatherby House and into his life.

Allegra's intense curiosity about Weatherby House forces Harleigh to think about things he's always ignored, including the long-lost treasure of the first Harleigh -- which someone is trying to steal.

The first time Melanie Ross meets April Hall, she's not sure they have anything in common. But she soon discovers that they both love anything to do with ancient Egypt. When they stumble upon a deserted storage yard, Melanie and April decide it's the perfect spot for the Egypt Game. Before long there are six Egyptians, and they all meet to wear costumes, hold ceremonies, and work on their secret code. Everyone thinks it's just a game until strange things start happening. Has the Egypt Game gone too far?