A documentary road trip, in which the filmmaker retraces the travels of his grandfather, a rail-riding hobo who narrated his adventures shortly before his death.A documentary road trip, in which the filmmaker retraces the travels of his grandfather, a rail-riding hobo who narrated his adventures shortly before his death.A documentary road trip, in which the filmmaker retraces the travels of his grandfather, a rail-riding hobo who narrated his adventures shortly before his death.