Which Are the Nuts? Which Are the Bolts?

Ex-boxer Joey Briggs has been in an institution for three years, being treated for drug and alcohol abuse and emotional trauma. His psychiatrist now feels he is ready to re-enter society. As he takes a train journey to an unspecified destination, he contemplates his past through mental flashbacks and conversations with a friendly porter, and tries to come to terms with himself. A young blind girl he meets on the train may help him.