When an earthquake shakes California, Alys, Janie, Charles and Claudia suspect it isnāt just a typical earthquake. A year and a half after their journey into the Wildworld, they believe that the Passage between their world, the Stillworld, and that parallel universe of legend and danger may no longer be stable.
With their parents overseas and the great sorceress Morgana Shee traveling north to find the epicenter of the quake, the siblings are left on their own. But peril lurks around every corner. A magical attack sends the Hodges-Bradley kidsā on a journey that will test all of their skills, including Janieās sorcery and Claudiaās ability to communicate with animals.
Morganaās archrival, Thia Pendriel, is waiting. With Heart of Valor, the Forgotten Gem she has stolen, Thiaās power is almost limitlessāand she is ready to spring her trap.