Twelve-year-old Caleb Erikson, who was born with a strange and wonderful talent that lets him take his mind inside any living creature he sees, sharing everything it experiences. With his special gift he can soar into the sky within a red-winged blackbird, run freely inside the horses he loves, or share the experiences of a great old tree as it undergoes the violence of a storm.
One remarkable summer, into Caleb's life comes Dr. Colin Patrick, a warmhearted veterinarian with a rare sensitivity for animals and those who understands them; a man not so skeptical as others of Caleb's amazing ability.