Prince of Central Park (2000)

A little boy runs away from an unhappy foster home and seeks refuge in Manhattan's Central Park. JJ hates his abusive mother and finds an alternative family in the people who live in Central Park. The Guardian lives in a cave and seems frightening, but turns out to be gentle and kind. Then JJ meets Rebecca and Noah, a couple whose son died several years before. Only with them does he begin to imagine a new family life.