 Shiloh returns to Marty who hides him from his family . Concealing Shiloh in the woods in a wire pen he builds , Marty smuggles some of his dinner to the dog each evening . After his mother discovers Marty feeding the dog , he persuades her not to reveal the secret . That night , Shiloh is attacked by a German Shepherd Dog while in his makeshift cage and his family discovers Marty has been lying and hiding the dog . After taking the dog to the town doctor , the family must return Shiloh to his rightful owner by Sunday . 
