A little hedgehog finds a magnificent apple in the woods. He rolls it behind a rock where he can enjoy it at his leisure. But there are some uninvited guests at the feast.

At a hospital in New York, Alex, a police officer, meets Leo, a boy who has the ability to get out of his body and pass through the walls like a ghost. Both team up with Mary, an intrepid journalist, to capture a disfigured villain who terrorizes the city.