Henry, a mouse who lives in a lighthouse, seeks help from a puffin and other animal friends to find the mother of a very hungry baby seal who was separated from her during a storm.
Paul, who lives in a trailer, and Sebastian, who lives in an apartment, are discouraged from playing with each other, until they get lost together during a class outing.
Best friends Annabelle and Tiffany risk placing all of dollkind in danger when they run away while trying to prevent Tilly from being sent back to London before they can determine if she is Annabelle's long-lost baby sister.
After a series of strange occurrences challenges his hard-headed realism, Sam, whose sister mysteriously disappeared fifteen years earlier, wonders if there is a world beyond our own when he is drawn into a vortex of evil and terror that reminds him of a promise he made long ago.
After Missy is abducted during a vacation and evidence of her murder shows up at a shack in the forests of Oregon, Mackenzie Philips, her father, receives a strange note inviting him to return to the scene of the tragedy where he wrestles with nightmarish religious questions.