Rumpole of the Bailey (1975)

Season 7: Episode 2

Rumpole defends a policeman, Superintendent Gannon, who is accused of changing a teenager's statement confessing to murdering a policeman. Meanwhile, Sir Guthrie Featherstone finds himself in hot water - as the Judge in the boy's case, he gave a damning summing-up against him, and now the Lord Chief Justice of England is taking an interest in the matter.