Directed by Ronald Neame (Gambit (1966), The Prime of Miss Jean Brodie (1969) and The Poseidon Adventure (1972)), based on a novel by James Kennaway, (who did the screenplay here), this is a powerful, dramatic play on film, with some good performances to it's name, with it's lead playing against type, but absolutely perfect in the role. Set in Edinburgh at a Military Academy of a Highland Regiment, it has Colonel Jock Sinclair (Alec Guinness) is celebrating his last day as Commanding Officer of the Battalion, and he is to be replaced by Lieutenant Colonel Basil Barrow (John Mills), who is a much more restrained and formal Colonel compared to the tempered and opinionated Sinclair, and Sinclair dismisses Barrow as a "stupid wee man". But, things come to a head when Sinclair discovers that his daughter Morag has been secretly dating Pipe Major Maclean (Duncan MacRae), and he finds the two of them in a pub, and Sinclair assaults Maclean, which is an illegal offence which will lead to a court-martial, but this raises tensions further between Sinclair and Barrow, as well as the rest of the men in the Battalion. It's a power character piece, a successful film upon release, but almost forgotten now. Guinness is an absolute force of nature in the film, not a man to mince his words, while Mills plays it quietly subdued, hiding a tortured past, with support from Gordon Jackson and Dennis Price, this is one of British Cinema's best kept secrets.