Thirteen-year-old Bonnie has a feeling of foreboding on the very day that her six-year-old brother Matt and their dog Pookie are abducted, and she becomes involved in a major search effort as well as a frightening adventure.

When an earthquake hits the isolated island in northern California where his family had been camping, twelve-year-old Jonathan Palmer must find a way to keep himself, his partially paralyzed younger sister, and their dog alive until help arrives.