Will's mother is a fiercely loving yet wildly eccentric agoraphobe who drowns in panic at the thought of opening the front door. Their world is rich and loving, full of art, experiments, and music-- but confined to their small house. When Will finally ventures outside-- clad in a protective helmet and unsure of how to talk to other kids-- he is pulled far from the confines of his closed-off world and thrust headfirst into the throes of early adulthood and the dangers that everyday life offers.