More than a year and a half has passed since Alys, Claudia, Jane and Charles helped to free the great sorceress, Morgana Shee, from imprisonment and close the passage between the Stillworld and the Wildworld. But when an earthquake hits California and continues to shake with lingering aftershocks, the Hodges-Bradley children begin to suspect this was no ordinary quake, and that the passage seal between the worlds may no longer be stable.
