Henry & Verlin (1997)

Verlin is 9 years old and does not talk, nor does he even seem to hear. Henry, a child-like adult, befriends Verlin and pulls him from his shell. Verlin's mother mistrusts Henry, who she feels is dangerous. Eventually, Henry's family is convinced that he should be placed in an institution. Henry's sudden disappearance from Verlin's world drives him deeper into himself.