The rainforest of British Columbia holds many secrets, but none stranger than those of Nearby Island. After hair-raising events during a Pacific storm, Tom and Liz Austen seek answers among the island's looming trees. Alarmed by the ghostly shape of the hermit Mosquito Joe, they look for shelter in a deserted school in the rainforest. Then in the night, Tom and Liz hear a girl's voice crying, Beware! Beware!